2D Geometry Questions and Answers

Question 9 What criterion is used here to prove that the two triangles ABC and ADE are similar BC is given to be parallel to DE A D B O AA O SAS Points 3 O ASA C E

Points 2 Determine the scale factor from the given vertices A 2 4 A 1 2 B 8 8 B 4 4 C 12 0 C 6 0 Question 1 O O 1 3 2 3 01 1 12 3 Complete Later Complete

10 5 10 5 0 5 5 To map circle G to circle Q we could translate circle G by dilate the result about point Q by a scale factor of and then

What is the missing length 38 mi p P area 1520 mi miles

6 Find the value of x OA 127 OB 254 OC 53 OD 74 106 M to

10 PQ is tangent to circle O Find the value of x 0 OA 15 OB 13 O C 12 OD 20 5 P x PROPE 12 Q

20 Find the measure of arc AB AB 5x 9 BC 16x 18 A C B

Osimilarity Grade Results E A transformation that enlarges or reduces a figure is called O dilation O scale factor My Activities O congruent Tell me what you wal

Sson Posttest Question 10 Points 1 The ratio of the side lengths of the corresponding sides of the image to the original figure is called O scale factor O similarity O dilation O congruent

son Question 1 Determine the scale factor from the following similar figure 60 cm 6 cm 3 cm Original 10 Points 3 12 O 14 New Reset Reset button com ssment Reset 30 cm Questions 3 5 7 9

esson Posttest Question 5 Find the scale factor from the following similar figures 24 cm 8 cm 02 O 3 Points 3 04 12 cm Original New 16 cm

Question 4 Points 2 Find the dilated vertices from the given vertices whose scale factor is A 0 0 B 3 3 C 6 3 D 6 3 and E 3 3 A 0 0 B 1 1 C 6 3 D 2 1 and E 1 1 O A 0 0 B 1 1 C 2 1 D 2 1 and E 1 1 O A 0 0 B 1 1 C 2 1 D 2 1 and E 1 1 O A 1 1 B 0 0 C 2 1 D 2 1 and E 1 1

Question 3 Which of the following best describes the dilation i 3 i Points 1 ii

Question 9 Points 2 Which of the following shows the dilation of A 1 6 with a scale factor of 4 O 24 4 O 4 24 O 4 4 O 4 24

Question 8 Find the coordinates of B if the triangle is dilated by a scale factor of 5 about the origin Y 10 58 Points 1 0 A O 0 25 O 0 25 O 0 25 C 10 X 15

Question 10 Find the measure of DC in the parallelogram ABCD D C 11 cm A O 44 cm 23 cm O 12 cm Points 1 11 cm 23 cm B

Question 3 Points 2 A is the vertex and AC and AB are rays The step Place the pointed end of the compass on A and draw an arc between AC and AB occurs in the construction of a an O angle bisector O perpendicular bisector O tangent to a circle O circle through three given points

Question In a parallelogram PQRS the measure of angle Q 155 What is the measure of angle S O 25 O 45 O 145 Points 1 O 155

Question 5 In the parallelogram ABCD LB 132 find C C A O 78 O 48 O 42 Points 1 18 B D

Question 8 Find the measure of ON in the parallelogram LMNO 24 cm L O 40 cm O 24 cm Points 1 O 16 cm ff 40 cm M N

Question 1 The following figure represents the construction of A Points 2 C O congruent lines congruent rays B O congruent segments congruent angles D

Question 4 In the parallelogram PQRS the length of side PQ 20 cm and QR 13 cm What is the length of the side RS O 13 cm Points 3 O 20 cm O 33 cm O 35 cm

Question 1 In a parallelogram the sum of the consecutive angles is O 90 O 180 O 270 Points 1 O 360

Lesson Posttest Question 2 Points 3 In the given parallelogram find the value of a and b X Y 17 3a 6 W O a 7 b 4 O a 4 b 7 O a 11 b 3 O a 3 b 11 15 5b 3

Question 10 Points 2 In the construction of a circle through any three give points non collinear it is necessary to O draw a tangent to the circle O locate the center of the circle O draw a triangle through the three given points draw an angle with the three given points

Question 9 Points 1 While constructing a perpendicular bisector we begin with a line segment Then draw arcs by setting up the compass to have a length that is exactly half the segment O to have a length that is more than half the segment O to have the whole length of the segment to have a length of one fourth of the segment

Question 8 Points 1 What is the span of the compass in drawing a circle through one point given the center at another point O Diameter O Radius O Circumference of the circle O Area of the circle

Question 7 Points 2 In the construction of the center of a circle the concept of drawing a an is used O perpendicular bisector O angular bisector O tangent to a circle O equilateral triangle

Question 2 Points 2 In inscribing a circle in a triangle it is necessary to draw all three angle bisectors O only one angle bisector O any two angle bisectors O None of the choices

Question 3 In AABC P is the centroid and AP 3 6 cm Find the length of the median AF B D 3 6 cm P O LL F Points 2 4 2 cm O 5 4 cm O 5 6 cm 6 2 cm E

sson Posttest Question 10 Given GH DK If 25 110 and 2 35 Find the measure of the remaining angles D Points 3 4 56 F O1 30 23 100 24 35 26 75 O 21 35 23 110 24 35 26 70 O21 35 23 120 24 35 26 75 O21 35 23 110 24 45 26 70 Reset Reset after asses Qu

Question 7 In the triangle below DE EF and DF are the mid segments Find the length of side AB B Points 2 5 cm 7 cm 10 cm 12 cm O 14 cm 16 cm F 6 cm E C

Question 6 Find the values of x y and z in the figure 120 Points 3 B 3x 5z 6y O x 10 y 5 and z 6 Ox 20 y 10 and z 12 Ox 12 y 10 and z 20 C 60

Lesson Posttest Question 9 Find X O 84 O 180 O 96 Points 1 84 X

Lesson Posttest Question 7 Find the value of x in the figure O4 O 3 Points 3 O 5 20x 10 P

Question 5 Find the measure of angle PQR from the following figure if the lines containing the line segments PQ and RS are parallel O Points 1 S O 35 degrees O 55 degrees O 145 degrees 35 P R

Question 1 Points 1 Which of the following represent the alternate interior angles of the given figure j k H 2 1 3 4 O 5 and 3 O 1 and 7 O2 and 7 6 and 8 5 6 7 8

Lesson Posttest Question 3 Find the missing angles if the lines AB and CD are parallel A Points 1 F E 60 120 H O 120 and 60 O 120 and 90 O 90 and 60 G 1 500 B D

Lesson Posttest Question 2 MD is the Points 1 D angle bisector perpendicular bisector midpoint N None of the above of LN

Question 10 Calculate the measure of LX Y 49 O 64 O 68 O 78 Points 1 O 84 X 47 2

n Posttest Points 1 Question 9 In the given right triangle A and C have the sam measure Find the measures of A and C B 650 65 550 550 O 45 45 O 350 35 lete

Question 4 Find the values of x and y in the triangle ABC C Points 2 40 O x 75 and y 70 Ox 70 and y 70 Ox 70 and y 75 Ox 75 and y 75 A Xo yo B

Question 10 Points 1 The matching angles of two triangles are called O base angles O corresponding angles O congruent angles O alternate angles

Triangle ABC is congruent to triangle DEF Find the missing angles and side BC in the congruent triangles B Points 3 65 C E 55 22 cm OLE 60 LA 58 F 2C 60 BC 21 units OLE 65 LA 58 F 2C 61 BC 22 units OLE 65 LA 55 2F 2C 60 BC 22 units H OLE 62 LA 58 LF LC 60 BC units F

Question 8 If AXYZ and APQR are similar then find the measure of Z PQR Y Points 1 55 X O ZPQR 45 O ZPQR 55 O ZPQR 65 N Q P Reset Reset button will be after completing accacement Reset 0 3 A Questions 1 10 9 O 10

Question 6 A XYZ and A PQR are similar triangles Find the measure of PQR Y 45 55 65 75 45 Points 2 X N Q R F

Points 3 A person 5 feet 4 inches tall casts a 6 foot shadow At the same time a lamppost casts a 15 foot shadow What is the height of the lamppost Question 1 O 3 2 ft O 13 13 ft O 133 ft O 23 13 ft 6 ft 5 1 3 ft 15 ft Reset Reset button will be enable completing th after assessment Reset 0 3 Availab Questions 0 10 Answ 7 9 8 x ft 10

Question 2 Triangles ABC and PQR are similar What is the measure of the side AC B 8 in A Points 2 12 in 9 inches O 8 inches O 7 inches O 5 inches 6 in CQ P 6 75 in R

Question 9 Points 1 The transformation that has translation and a reflection across a line parallel to the direction of translation is called as O parallel reflection Oglide reflection O regular reflection Odiffused reflection

Question 6 Points 3 What type of rigid transformation is performed on these polygons Rotation O Translation O Dilation