2D Geometry Questions and Answers

BD and EG are parallel lines B E A C F ZDCA and LGFC HA ZDCA and GFH D Which angles are adjacent angles G ZDCA and DCF ZDCA and LEFC

CE and FH are parallel lines C F B D G LCDG and ZEDB I LCDG and ZFGI E Which angles are corresponding angles H LCDG and ZCDB LCDG and ZFGD

Consider the following graph of a linear equation 6 5 Find the slope of the line m T Find the y intercept Enter a point 6 5 4 3 2 0 1 3 2 1 0 1 2 3 4 5 6 2 3 3 0 5 6 Enter the equation of the line written in slope intercept form y mx b

2 A B and C are the centers of the 3 circles How many equilateral triangles are there in this diagram B

4 If m23 54 find each measure a m1 b m 2 c m 4 d m25 e m26 5 11 12 14 13 f m27 g m28 h m 9 i m 10 j m 11 k 1 m212 m 13 m m 14

Use the given information to find mZA mZD 117 mZA 2x mZB x 39 mZA

3 T I K 5 Find KL 9 E K 7 7 Find EC K U 10 32 D 20 26 H 49 G 11 16 30 K H L B 2 R 4 c G S K 6 Find HJ K 14 IK 8 Find IK H 13 D 30 12 49 K T 31 E 12 Points A B and C are collinear Point B is between A and C Find the length indicated L

11 AC 3x 3 AB 1 2x and BC 11 Find x Solve for x 13 N B x 6 H D Find the length indicated 15 Find CE 3x 47 17 Find DE 27 x M 3x 28 C 9 23 E L 33 D 3x 30 H x 26 F 2x 19 Critical thinking questions 10 x K E G 12 AC 22 BC x 14 and AB x 10 Find x 14 s H B 16 Find BD HE 14 13 18 Find EG F T 2x 4 C 4x 29 HE F 6 2 x 23 U 3x 1 D 26 X A 14 x 2x 18 2x 3 12 H G V H addition problem using three

a m EBG 60 m FBG 2 m EBF 21 What is m EBF

B BA DE KAL BC KE LFC m DCF 2 m BCF m EDC 125 E m ABC 44 Yukar daki verilere g re m AKE x ka derecedir A 133 B 137 C 140 D 143 44 Kox FO A 125 D E 147

In triangle ABC angle A is 60 and C is a right angle The length of side bis 9 as shown Find the lengths of the other sides and c Give the exact answers but you may not use sin cos or tan Use sqrt 3 or 3 5 for 3

Which of the following represent deductive reasoning Select all that apply The measures of the two angles in a linear pair add to 180 ZNTR and ZMKG form a linear pair so the measures of NTR and ZMKG add to 180 Birds fly south for the winter A penguin is a bird so it will fly south in the winter The sum of the measures of the interior angles of any triangle is 180 Polygon QAG is a triangle so the sum of the measures of its interior angles must be 180 Traffic is always busy on Friday afternoons at 4pm It is Friday at 4pm so traffic will be busy All rectangles are quadrilaterals A square is a rectangle so a square must be a quadrilateral

Triangle DEF is translated 7 units right and 10 units up Find the length of D F 7 D E 12 F

raph the equation 40 y2 2x Ay 43 4 2 2 2 2 4x Evaluate the expression 41 2x 3y 6 4 2 41 2 2 4 2 4x

open top rectangular box is to be made from a piece of cardboard 26 inches long and 8 inches wide by cutting out identical squares from the four corners and turning up the sides In the image below you can adjust the location of the point to visualize different possible boxes Let x be the side length of each of the removed squares from the corners Express the volume V of the resulting box as a function of x V x powered by desmos What is the domain of this function Use interval notation Find the dimensions of the box that yields a maximum volume Round your answers to two decimal places

sin 0 tan 0 csc 0 sec 8 cot 8 Need Help Submit Answer 3 5 Points sin 0 cos 0 Find the values of the trigonometric functions of 0 from the information given csc 0 4 0 in Quadrant I tan 0 Read It sec 0 DETAILS Watch It

C 21 3 X 66 4 y

2 A ladder KM is 8 5 m long It leans against a wall so that L M 30 and AKLM is a right angled triangle M

1 The angle of depression from the top of a cliff to a boat at sea is 17 The boat is 450 m from the shore Draw a diagram representing the situation Find the height of the cliff giving your answer rounded to the nearest metre 2 A family wants to buy an awning for a French window that will be long enough to keep out the sun when it is at its highest point in the sky The height of the French window is 2 80 m The angle of elevation of the sun from this point to the bottom of the window is 70 The awning will be 90 to the window Find how long the awning should be Write down your answer correct to 2 dp a b

Use the information given about the angle 0 0 2x to find the exact value of each trigonometric function tan 0 8 sin 0 0 0 a sin 20 b cos 20 c sin d cos 02 a sin 20 Type an exact answer using radicals as needed e tan 20 f tan 0 2

3 A hiker whose eye is 1 6 metres above ground stands 50 metres from the base of a vertical cliff The angle between the line connecting her eye and the top of the cliff and a horizontal line is 58 a Draw a diagram representing the situation b Find the height of the cliff

angles with the following sides are right angled triangles a 9cm 40 cm 41 cm b 10 m 24 m 26 m c 10 10 200 d 11 2 7 5 8 3 3 The spiral in the figure is made by starting with a right angled triangle with both legs of length 1 unit 1 1 1 11 1 a Find the hypotenuse of the first triangle Then the second right angled triangle is built with one leg measuring 1 unit and the other leg being the hypotenuse of the first triangle b Find the hypotenuse of this second triangle A third right angled triangle is built on the second triangle s hypotenuse again with the other leg measuring 1 unit c Find the hypotenuse of the third triangle The process is continued in the same fashion and the hypotenuse of the final triangle is denoted by x d Find the length of x 4 A right angled triangle has a hypotenuse of 8 2 cm and another side length of 4 3 cm Draw a diagram Calculate the area of the triangle Give your answer correct to 1 dp

A door with width 4 20 m has an arc as shown in the diagram Find a b The radius of the arc to the nearest cm The length of the arc to the nearest cm 225 4 20 m

ops drop of

3 The image of a speck of dust viewed through an electron microscope is 1 2 x 10 millimetres wide The image is 5 x 102 times as large as the actual size Determine the width in millimetres of the actual speck of dust

Determine the magnitude and direction of the vertical shift and the phase shift for the function below f x cos x 7 Select the correct answer below The vertical shift is units up and the phase shift is 1 units right The vertical shift is 1 units down and the phase shift is The vertical shift is 1 units down and the phase shift is The vertical shift is 1 units up and the phase shift is units left O The vertical shift is units down and the phase shift is 1 units left The vertical shift is 1 units up and the phase shift is units right 1 units left units right

Find the range of possible values for the following measurements which were rounded to the nearest mm tenth of m and hundredth of kg respectively b 3 2 m c 1 75 kg a 24 mm

2 Use the following similar triangles AABC ADEF If BC 26 when EF 29 and DF 13 what is the length of the corresponding side to DF Solve mathematically drawings not to scale Round your answer to the nearest tenth AC A B D F E

y 6 25 Points Given that the pair of triangles is similar find the lengths x and y Let a 4 and b 13 X DETAILS Need Help a b STRIG2 B 1 011 Read It 3 2 y 2 2

W 1 Volume of cubes prisms and pyramids JUB What is the volume of this triangular pyramid 6 m Submit 9 m 10 m cubic meters

Use the graph to answer the question Y T S Q 2 4 2 N 2 R 29 Which ordered pair corresponds to point U 30 Which ordered pair corresponds to point S 31 Which point is located in Quadrant II

1 Measure the line segments below in 2 Use your protractor to draw ZABC with measure of 155

3 4 Name the plane that represents the bottom of the box Find the intersection of DC and CF Find the intersection of planes EDCF and BGFC Name the two planes that intersect at EF Shado plano CBG 0144 D A sipas telleme E H C B F

2 3 of DE is 3 5 The coordinates of D are 1 5 What are the coordinates of E GADS PIRE JEAS List all segments that are parallel to DE List one segment that is skew to AB xod sids D E F G

15 If mZPOS 2x 5 and mZSQR 3x 10 a b Find x to engad to notrpensinilants bali S 0909 10 to nolasetain ads unit Find the measure of the smaller angle Al is there in baill anstadt ame P

Find the distance between Importa Box

Match the following number sequences to the formulas 5 10 20 40 5 10 15 20 4 8 16 32 4 8 12 16 DRAG DROP THE ANSW a 5 5n an 4 2 1 an 4 4 n 1 an 5 5 n 1 an 5 2

19 Are these polygons Give a reason why or why not BAC to A od D E B B to swesom sa brit of torq Day 320 30 C SASA DAS A HACS 2 A E HACE Isdal nedi bus w of two fastsan 9000f om oss C 08935 001 ON 8 stuz6em navig adi daw signe ross

Classify 7 Sides 09 4 sides the PolygoN 12 sides please 9 Sides Smal sielamos of trigins surgit sri sau 2 1 292075 207 BASS to ABS te

K For Exercises 1 5 use the figure at right to complete each statement of ZBAE 1 A is the Mid Paint 2 AD is the Ray 3 AD is a 4 If mLBAC 42 then mLCAE 5 LDAB DAE of LBAE of LDAE no vriw no Seasure of D

For Exercises 10 12 use your protractor to draw and then label each angle with the given measure 10 mLMNO 15 11 m RIG 90 12 mLz 160

Peas are measured by diameter Determine the area of a 6 inch personal pizza Round your answer to the nearest hundredth AN of square inches Determine the area of a 14 inch personal pizza Round your answer to the nearest hundredth 18394 osquare inches A6 inch personal pizza has 580 calories Determine the number of calories in the 14 inch poza Round your answer to the nearest calorie There are calories in the 14 inch pizza A 14h plas cut into 8 slices Estimate the number of calories in one slice of a 14 inch plesa Round your answer to the nearest calorie

If carpet costs 16 65 per square yard and is available in whole square yards only find the cost of carpeting the three bedroom floors in the accompanying floor plan Click the icon to view the floor plan It will cost to carpet the three bedroom floors www

In the diagram M is the midpoint of the segment Find the indicated length Find LN L X 9 M 4x N

Find MidPoint 1 9 10 10 2 2 1 3 3 1 M x x x x 2 Find Distance between the follow 2 points 3 2 1 4 3 4 3 5 7 1 Distance Formula x x x Y d

O NOW 5 9 7 7 5 6 8 4 2 1 5 3 M X X Y Y 2 2

Complete part a and choose another part to complete for credit Show all of your work Use geometric relationships to find angle measures Start by finding a special relationship the the bolded words on the handout between some of the sides or angles and use that relationship to write an equation Solve the equation for the variable then use that variable value to answer the original question a Find m MNP N 152 J B c Find m DBC Af 2x 4 M D x 7 C b Find m FGH K G 4x 3x 2 F x 28 4 P IN d Find m LPQ and m LP H M

4 5 17m 11m O D Terminal Angle sin cos tan 8 Terminal Angle sin 8 cos 8 tan 8 Terminal Angle sin 8 cos 0 tan 0 csc sec 8 cot csc 8 sec cot 8 csc 8 sec 8 cot 8 Radians Radians Radians

8 2 9 1 4 10 8 5 1 3 12 6 10 2 10

Period The Distance Formula Find the distance between each pair of points Round your answer to the nearest tenth if necessary 2 1 3 5 7 2 3 7 7 9 5 9 7 7 11 10 7 8 1 4 Name 6 y 8 2 9 1 4 10 8 5 1 3 X 12 6 10 2 10