Geometry Questions

4 rotation 270 about the origin E A

3 rotation 90 clockwise about the origin A B X

ASSESSMENT Credit Checkpoint Complete the following Show all your work Learning Goal from Lesson 2 1 2 3 I can develop definitions of translations reflections and rotations in terms of angles perpendicular lines parallel lines and line segments A x y x 5 y 2 B x y x 2 y 5 C x y x 5 y 2 D x y x 2 y 5 1 Which of the following rules correctly represents the translation from ABC to MNP 1 point A R 2 N T 9 2 the 1 og 2 Reflect the shape below across the line x 2 Label the new coordinates 1 point 9 When no direction is specified you can assume the rotation is counterclockwise Transformation Rule x y B How I Did Circle one C I got it 2 4 2 ON 2 N 4 P I m still learning it M Image

ane Translate a units to the right Translate a units to the left Translate b units up Translate b units down Rules for Reflection on a Coordinate Plane Reflection across the x axis Reflection across the y axis Reflection across line y x Reflection across line y x Rules for Rotation on a Coordinate Plane 90 rotation counterclockwise 180 rotation 270 rotation counterclockwise 360 rotation Transformation Rule x y Figure 1 x y x a y x y x a y x y x y b x y x y b Coordinate Notation 1st Transformation x y x y x y x y x y y x x y y x Coordinate Notation x y y x x y x y x y y x x y x y 2nd Transformation 2 Figure 2 P 11 2 B 0 2 2 8 NYN 2 0 2 0 2 41YB N 4 4 M O 2 AD 2 P 4 X X 4

3 AABC and AA B C are shown on the coordinate plane Devon claims that a sequence of rigid motions carries AABC onto AA B C Which actions could he take to prove his claim 8 6 4 B B Sot C 6 4 N 0 A 2

P I can show that triangles are congruent if and only corresponding sides and angles are congruent Lesson 3 3 Checkpoint below Once you have completed the above problems and checked your solutions complete the Lesson Checkpoint Complete the Lesson Reflection above by circling your current understanding of the Learning Goal 1 AABC ATUV Find the following side length and angle measure a Find the mzU b Find the length of BC M Z 3y 2 6x 2 cm 2 Given that AYMZ and AQMP are identical and YZ 13 QM 15 and PM below to determine the remaining measurements Q B Side QP YM ZM 6x 1 cm 5x 7 cm Chry T Measure Kasay 4y 4y 18 15 complete the table MUC

1 ADEF AWVU D W 3 Which of the following is NOT true about congruent triangles AABC and ADEF A AB DE B BC FD C ZABC ZDEF D ZCAB LFDE Given the information above the following sides are are equal equal DE 5 Which of the following is NOT true about congruent quadrilaterals QRST and WXYZ A RS XY B ZSTQZYZW C ZRQTZXWZ D ST XW 2 LABC LLMN Cou M Given the information above the following angles LACB L 4 Which of the following is NOT true about congruent triangles AAGK and AQVZ A ZKGA LZVQ B KG ZV C AG VZ D ZGKA ZVZQ 6 Which of the following is NOT true about congruent polygons JKLMN and TUVWX A LMN LUVW B MN WX C LK VU D ZMNJ WXT Optional Complete problems 1 5 8 13 17 18 from your textbook on separate lined paper When you are finished check the odd problems for solutions at the back of the textbook

Draw and 1 Rotate AABC 270 about the origin and then reflect over the x axis B T C Preimage ABC A 1 2 B 3 4 C 2 5 6 2 A 0 TY 6 Transformation rule y B 2 8 6 4 2 image of AABC after the given sequence of transformations 2 Translate AABC by 4 4 and rotate 90 about the origin 4 6 A 8 6 2 0 Transformation rule Image A B C Preimage ABC A 1 1 B 3 3 C 2 4 2 4 6 8 Image A B C X Image A B C Image A B C

Your Turn 1 AABC DEF Find the length of CA DE EF Find the angle measure of 2A 2B 2C re 2 6 cm B 3 7 cm 3 5 cm 42 The side lengths are follows CA 3 5 cm DE 2 6 cm EF 3 7 cm a LV b OP C ST D 73 Since AABC ADEF these six facts are always true Corresponding sides are congruent 65 Corresponding angles are congruent The angle measures are as follows mLA 73 m2B 65 m2C 42 2 The following figures are congruent Find the measure of the following 0 112 43 51 km 69 N 21 km M bigmund V 39 km 16 km 43 MATRASONE S ilmoge 136 D ogla 69 hogestio Need help Visit the L4L Math Resources Website http Bit ly L4Lmath to find videos and other resources for this lesson

Your Turn Quadrilateral GHJK quadrilateral LMNP Find the given side length or angle measure 18 cm 10y 1 Find LM 4x 3 cm 9y 17 Your friend s work H m2H mzL 9y 17 10y 6x13 cm 3 Your friend tries to solve mZH Your friend did not set up to solve for mzH correctly Explain to your friend their misunderstanding and how to set it up correctly Explain to your friend their misunderstanding and how to set it up correctly 11y 1 M 2 Find m2H

Read Explore and complete the following adapted from Lesson 3 2 Show all your work Two geometric figures are congruent if and only if they have the same size shape and angle measures In geometry the symbol can be used two indicate the two figures are congruent A landscape architect uses a grid to design the landscape around a mall Use tracing paper to confirm that the landscape elements are congruent A Trace planter ABCD Describe a transformation you can use to move the tracing paper so that planter ABCD is mapped onto planter EFGH What does this confirm about the planters B Trace pools JKLM and NPQR Fold the paper so that pool JKLM is mapped onto pool NPQR Describe the transformation What does this confirm about the pools CDetermine whether the lawns are congruent Is there a rigid transformation that maps ALMN to ADEF What does this confirm about the lawns Reflect 1 How do the sizes of the pairs of figures help determine if they are congruent D C M M N A B H G K Q E E R L N D

Por 1 2 draw the image after the given transformations You can create a table to organize your work Don t forget to label the points for the first and second image 10 1 Reflect Rectangle ABCD across the y axis then translate it using the following rule x y x 4 y 3 B D C N 0 A B 10 C D 3 x y x 2 y x y A B C D Describe the type of transformations of 2 Rotate Rectangle ABCD 90 counterclockwise Then translate it along the vector 3 4 B D C 2nd 2 O 2 2 A N B C D A B C D 4 x y x y 8 x y Describe the type of transformations 1st J

Read Explore and complete the following adapted from Lesson 3 3 Show all your work AABC and ADEF are congruent meaning AABC can be mapped onto ADEF by a sequence of rigid motions F C DE Rigid motions preserve the measure of the sides and the measure of the angles Determine which sides and angles from ADEF match up with AABC by completing the following AB BC LA 211 B 211 LB If you know that AABC ADEF what six congruence statements about segments and angles can you write 211 AC 211 LC 211 211 Examples of congruence statements FH HJ LF 4

1 Complete the following to co O Yes O No AQRS is the image of ALMN under a sequence of transformations Can each of the following sequences be used to create the image AQRS from the preimage ALMN Select yes or no a Reflect across the y axis and then translate along the vector 0 4 b Translate along the vector 0 4 and then reflect across the y axis c Rotate 90 clockwise about the origin reflect across the x axis and then rotate 90 counterclockwise about the origin O No Yes O No d Rotate 180 about the origin reflect across the x axis and then translate along the vector 0 4 Yes Yes O No S 7 M 4 2 0 2 4 4 R 2 Q HOS 4 84 N X

1 Reflect AABC over the x axis and rotate 180 degrees around the origin ty 8 6 4 2 Transformation rule Preimage ABC A 1 2 B B 3 4 C 2 5 N 4 6 6 4 2 0 O VAL 2 4 Image A B C 6 8 x1 X Image A B C

Your Turn The figures shown are congruent Find a sequence of rigid motions that maps one figure to the other Give coordinate notation for the transformations you use Then check your answer 1 JKLM WXYZ Step 1 Look at the graph and or table for similarities and differences 8 M 81y Figure 1 0 W 4 X Step 4 Check your answer L K 8 Step 2 Look at coordinate notation rules that could map Figure CDE onto JKL Select two Step 3 Write the coordinate notation for the transformations you use Describe the rule in words x y A Rotation B Reflection C Translation OD The figures are not congruent 1st Transformation 2nd Transformation Did the two rigid motions map one figure onto to another Why or why not Figure 2

Lesson 3 2 Homework HW Complete problems 1 6 for independent practice When you are finished check the solutions with your teacher 3 Choose the two correct transformations for RSTU to R S T U A Rotation 180 clockwise OB Reflection across y x DC Reflection across y x OD Rotation 180 counterclockwise 5 Choose the two transformations for HIG to HT G A Rotation 90 clockwise OB Reflection across y x OC Reflection across y x OD Rotation 270 counterclockwise 4 Describe the transformation used for 47 a CDEF to C D E F A Reflection across the y axis B Reflection across y 1 C Reflection across x 1 OD Reflection across the x axis 6 Describe the transformation used for RST to R S T A Reflection across the x axis B Reflection across the y axis C Rotation 180 clockwise D Reflection across y x Optional Complete problems 1 3 5 7 18 from your textbook on separate lined paper

2 1 2 1 3 Bank You may use each statement once Hot Given ASVT ASWT Prove ST bisects ZVSW 2 1 ASVT ASWT Given Quadrilateral ABCD quadrilateral EFGH AD CD Prove AD GH Def of Angle Bisector AD CD LTSV LTSW Transitive Property of Congruence Statements 3 ST bisects VSW 4 AD GH Statements Statement Bank 3 Given Def of Segment Bisector CD GH Quadrilateral ABCD QuadrilateralEFGH 1 2 Corresponding parts of congruent figures are congruent 4 D Reasons BE H Reasons G 1 Given 2 Given 3 Corresponding parts of congruent figures are congruent

Your Turn Formos The figures shown are congruent Find a rigid motion that maps one figure to the other Give coordinate notation for the transformations you use 1 ABCD WXYZ Part 1 Figure ABCD can be mapped onto WXYZ by A Rotation B Reflection DC Translation OD The figures are not congruent Part 2 The coordinate notation is 2 ABCDE PQRST Part 1 ABCDE can be mapped onto PQRST by A Rotation B Reflection DC Translation D The figures are not congruent Part 2 The coordinate notation is 20 000 8 8 Y 4 X B 80 4 R ty A 0 Z4 4 A ty E 0 2N 4 D 8 W 8 S DX 4 8

7 8 Identify the surface whose equation is given p cos 1 Answer Horizontal plane ha

11 Using coordinate geometry and algebra find the coordinates of the vertices of AABC a A 5 3 H 1 4 H 3 1 b A 4 5 H 2 3 H 1 2

Rules for Rotation on a Coordinate Plane 90 rotation counterclockwise 180 rotation 270 rotation counterclockwise 360 rotation long Example Draw and label the final image of AABC after the given sequence of transformations Reflect AABC over the y axis and then translate by 2 3 Above are examples of rigid transformations you have learned in this credit Now you will apply sequences of transformations as in multiple transformations on one figure to map it elsewhere on the coordinate plane Coordinate Notation Step 1 Identify the type of transformations and its order x y y x x y x y x y y x x y x y 1st Reflection across the y axis 2nd A translation by 2 3 Step 2 Write the transformation rule Preimage ABC A 1 1 B 3 3 x y x y x 2y 3 Step 3 Draw and label the 1st transformation Label the image A B C Use a table to organize your work C 2 4 Preimage ABC A 1 1 B 3 3 C 2 4 Image A B C x y x y A 1 1 B 3 3 C 2 4 Step 4 Draw and label the 2ndst transformation Label the image A B C read as A double prime B double prime C double prime Image A B C x y x y x 2 y 3 Image A B C x y x y A 1 1 B 3 3 C 2 4 Image A B C x y x y x 2 y 3 A 3 2 B 5 0 Your Turn Draw and labs 1 Rotat C 4 1 r

HW 0 Complete problems 1 6 for independent practice When you are finished check the solutions with your teacher Draw the image of the figure under the given rotation Create a table to find the coordinates of the image after performing the transformation 1 rotation 180 about the origin 3 rotation 90 clockwise about the origin 5 rotation 90 about the origin 2 rotation 180 about the origin 4 rotation 270 about the origin 6 rotation 180 about the origin G H Optional Complete problems 2 7 15 from your textbook on separate lined paper D When you are finished check the odd problems for solutions at the back of the textbook

1 Match the quote to the correct coordinate notation One is done for you A Rules for Rotation on a Coordinate Plane 90 rotation clockwise or 270 counterclockwise x y y x 90 rotation counterclockwise or 270 clockwise x y y x 180 rotation G 360 rotation x y x y For 2 3 draw the image of the figure under the given rotation 2 APQR 90 about the origin ty 4 D x y x y 4 2 4 2 E 2 Quadrilateral DEFG 180 about the origin 0 P 2 R Q X Quote A To rotate the figure all x values will be they values all y values will be the opposite sign the x values B To rotate the figure all x values will take the opposite sign all y values will take the opposite sign C To rotate the figure all x values will take the opposite sign of the y values all y values will take the x values D To rotate the figure all x values will remain the same all y values will remain the same When no direction is specified you can assume the rotation is counterclockwise Transformation Rule x y Preimage Coordinates x y Transformation Rule x y Preimage Coordinates x y Image Image

I can develop definitions of rel perpendicular lines parallel lines and line segments Lesson 2 2 Checkpoint Once you have completed the above problems and checked your solutions complete the Lesson Checkpoint below Complete the Lesson Reflection above by circling your current understanding of the Learning Goal 1 Draw the image of AABC after the reflection across line 1 Make sure to label appropriately A A OB C B 2 Using your answer above which of the following points does NOT move at all after the reflection 3 Are all reflections considered a rigid motion Explain why or why not by explaining its effects on a figure s angles and line segments

5 Reflect the shape below across the line x 2 Label the new coordinates M C N DA OB Oc 6 O 20 2 2 4 Transformation Rule x y 6 10 7 The following triangle is reflected across its own line BD Which of the following is NOT true B D 12 Image B and B are in the same spot C and C are in the same spot D and D are in the same spot 6 Reflect the shape below across the line y 3 Label the new coordinates Image 6 S G A OB c OD J 2 2 0 2 4 K 2 H 4 Transformation Rule x y 8 The following rectangle is reflected across its own line QR Which of the following is true Mark ALL that apply 6 T QR is in the same spot R and R are in the same spot ST is parallel to ST R is the midpoint of TT ptional Complete problems 1 2 4 6 9 10 12 from your textbook on separate lined paper When you are finished check the odd problems for solutions at the back of the textbook R

Lesson 2 2 Homework D 6 HW 1 Reflect the shape below across the x axis Label the new coordinates and write the transformation rule felona 6 4 G A B C y E D 46 20 4 2 20 2 4 Transformation Rule x y 6 2 2 3 Reflect the shape below across the x axis Label the new coordinates and write the transformation rule Complete problems 1 8 for independent practice When you are finished check the solutions with your teacher 2 H 2 A 4 6 ransformation Rule x y F Image 6 Image 2 Reflect the shape below across the y axis Label the new coordinates and write the transformation rule Image 6 4 2 you 8 6 6 4 6 4 2 0 W 4 14 2 2 2 6 0 2 Transformation Rule x y R 4 Reflect the shape below across the line y 1 Label the new coordinates and write the transformation rule 4 is done for S X 2 2 4 T 4 Q 6 Image W 4 3 X 1 3 Y 3 6 Z 2 6 Z Transformation Rule x y x y 2 S Refr the ne N

angles perpendicular lines parallel lines and line segments can develop definitions of reflections in terms of Standard G CO A 4 EXPLORE Exploring Reflections Read Explore in your textbook Lesson 2 2 and complete the following Show all your work Using tracing paper complete steps Instead of using quadrilateral ABCD from your book use quadrilateral and B FGHI to the right Label appropriately from your textbook attach tracing paper here LAL Math Resources http Bit ly L4LMath H C Draw segments to connect each vertex of quadrilateral FGHI with its image Use a protractor to measure the angle formed by each comment and ling What do you notice

5 Draw the image when ABCD is translated along 4 6 8 6 4 4 2 What is the coordinate for C 0000 C 2 2 0 A 0 2 4 B 2 B C 4 A 7 Triangle ABC is translated to A B C Which of the 8 Quadrilateral QRST is translated to Q R S T following represents the rule for the translation D 6 B X 6 Draw the image when ABCD is translated along 6 8 A x y x 4 y 1 B x y x 3 y 1 C x y x 4 y 5 D x y x 4 y 1 What is the coordinate for B 9 6 11 7 0000 Which of the following represents the rule for the translation S D 20 2 R 2 4 T 4 B Q 6 13 8 10 S R 12 A x y x 5 y 4 B x y x 10 y 8 C x y x 6 y 2 D x y x 5 y 4 Optional Complete problems 1 3 5 7 9 15 from your textbook on separate lined paper 14 T When you are finished check the odd problems for solutions at the back of the textbook

perpendicular lines Lesson 2 3 Checkpoint Once you have completed the above problems and checked your solutions complete the Lesson Checkpoint below Complete the Lesson Reflection above by circling your current understanding of the Learning Goal 1 Draw the image of the figure under the given rotation Make sure to label appropriately Quadrilateral PQRS 270 about the origin S 2 2 0 R 2 4 2 Write the coordinate notation for the following Rules for Rotation on a Coordinate Plane 90 rotation counterclockwise 180 rotation 270 rotation counterclockwise 360 rotation Transformation Rule x y Preimage Coordinates x y Coordinate Notation Image 3 Are all rotations considered a rigid motion Explain why or why not by explaining its effects on a figure s angles and line segments

Your Turn Draw the image of the triangle after the given rotation You will need a protractor 1 Counterclockwise rotation 40 about point P 2 Clockwise rotation of 125 around point Q S P L

A B C B Line I has a slope of 2 the segments must have an opposite reciprocal slope of Line I has a slope of the segments must have an opposite reciprocal of

Lesson 2 1 Checkpoint Once you have completed the above problems and checked your solutions complete the Lesson Checkpoint Complete the Lesson Reflection above by circling your current understanding of the Learning Goal below 1 Draw the preimage and image of the triangle under a translation along 1 3 Make sure to label appropriately Triangle P 1 3 Q 3 1 R 4 3 2 2 0 2 y 2 Are all translations considered a rigid motion Explain why or why not by explaining its effects on a figure s angles and line segments 2 4 X Forgot what rigid motion is Look at your Credit 1 notes

2 S 3 4 T 3 1 U 2 1 V 2 4 Reflection across the x axis ty 4 2 2 0 2 3 D 1 1 E 3 2 F 4 1 G 1 3 Reflection across y x 2 2 4 4 2 0 2 2 4 X Transformati Preimage Coordinates Transformation Rule x y Preimage Coordinates x y Image Image

Your Turn 1 Match the quote to the correct coordinate notation One is done for you Rules for Reflection on a Coordinate Plane D Reflection across the x axis x y x y Reflection across the y axis x y x y Reflection across line y x x y y x Quote A To reflect the figure all x values will take the opposite sign all y values will remain the same B To reflect the figure all x values will be the opposite sign of the y values all y values will be the opposite sign of the x values C To reflect the figure all x values will be the y values all y values will be the x values

3 Draw the image when JKL is translated by the rule x y x 4 y 1 y 4 2 0 8 6 1 Convert the following vector into coordinate notation rule 3 1 2 K 4 6 8 What is the coordinate for L 2 Convert the following vector into notation rule 4 7 4 Draw the image when PRQ is translated by the rule x y x 5 y 3 R P 2 6 2 0 2 4 6 y Q 2 4 6 What is the coordinate for R

Draw the preimage and image of each triangle under a translation along 4 1 2 Triangle with coordinates P 2 1 Q 2 3 R 4 3 ty 2 2 0 2 2 Transformation Rule x y Preimage Coordinates Image

Draw the preimage and image of each triangle under a translation along 4 1 1 Triangle with coordinates A 2 4 B 1 2 C 4 2 y 4 2 0 2 Transformation Rule x y Preimage Coordinates x y Image

1 Draw the image of AABC after a translation along A B 12 C Describe how the direction of the above vector is moving AABC 2 In your own words explain what a translation of a figure is

What is the measure of Angle 1 in this figure B 30 C

Right triangle ABC is shown What is the value of 2

Find the area of the shaded portion 16 cm 225 O 50 3 sq cm O503 sq cm

15 13 51 Find the value of x 6x 3 4x2 2x 1 110 6x 12 16 18 6x 5 3x 2 x 6 6x 3 85 f 61 30 2x 1

9 5 3 Special Angles Assign Name the relationship complementary linear pair vertical adjacent alternate interior corresponding alternate exterior or consecutive interior 2 1 b Find the measure of angle b 7 43 119 4 6 8 10 119 294 31

A cricket striker hits the ball with an angle of 0 46 and an initial speed of Vo 105 feet per second There is a helping wind blowing with an angle of elevation of a 9 and a speed of w 8 feet per second The speed represents the length of the wind vector 0 y y t b Determine the time for the ball to hit the ground Ground time a Determine the parametric representations for x and y as functions of time where t is in seconds Note If entering exact values your angles must be in radians not degrees x x t seconds c Determine the downrange distance Downrange Distance W foot a Wx W

Find x x 6 T x 3 I x 6 u V Cross off the value of yo answer

The blue figure is a dilation image of the black figure The labeled point is the center of dilation Tell whether the dilation is an enlargement or a reduction Then find the scale factor of the dilation Is the dilation an enlargement or a reduction Enlargement Reduction Find the scale factor n n Simplify your answer E 0

1 R 20 7 J sin S cos S tan S find sin R cos R tanR Write each answer as a fraction and as a decimal rounded to three decimal plac 3 T 2 15 25 S sin S cos S tan S 24 26 T 10 8 16 S sin S cos S tan S 30 34 R

asurement For the below problem you will need to reference the Kodak Anthropometry pdf file provided on Canvas Neatly show all work for partial credit 1 A desk is 30 inches tall The desk chair has a seat height of 20 inches For keyboard work it is recommended that resting elbow height be between 1 inch above and 2 inches below the J key on the keyboard Using the Kodak data what percentile range of males and what percentile range of females will fit this workstation Assume that the J key is 0 5 inches above the desk and that a footrest is provided for workers with shorter legs ANDING Forward functional reach a Includes body depth at shoulder Tibial height Knuckle height Elbow height Shoulder height Eye height Stature b Acromial process to functional pinch c Abdominal extension to functional pinch Abdominal extension depth Waist height Functional overhead reach Males Females 1 50th 50th 1 percentile S D percentile S D 32 5 31 2 26 9 24 4 9 1 41 9 41 3 17 9 29 7 43 5 45 1 56 6 57 6 64 7 68 7 699 82 5 1 9 2 2 1 7 3 5 29 2 28 1 24 6 23 8 0 8 8 2 2 1 40 0 2 1 38 8 1 1 16 5 1 6 28 0 1 8 40 4 2 5 42 2 2 4 1 9 3 1 56 3 2 4 59 6 2 6 63 8 2 6 64 8 3 3 78 4 Population Percentiles 50 50 Males Females 5th 50th 95th 1 5 27 2 30 7 1 7 25 7 29 5 1 3 22 6 25 6 2 6 19 1 24 1 29 3 0 8 7 1 8 7 2 0 37 4 40 9 35 8 39 9 2 2 0 9 15 3 17 2 2 4 2 8 3 4 35 0 34 1 29 3 1 6 25 9 28 8 31 9 45 8 48 6 1 4 38 0 42 0 2 7 38 5 43 6 2 7 48 4 54 4 2 6 49 8 55 3 2 2 56 8 62 1 60 8 66 2 61 1 67 1 74 0 80 5 10 2 44 7 44 5 19 4 59 7 61 6 67 8 72 0 74 3 86 9

X y Determine the values of x and y A 52 B 14x 6 y C