2D Geometry Questions and Answers

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

Question 5 Points 2 Which of the following is the definition of non rigid transformation Size shape and position cannot be altered O Shape and position can be altered but size cannot be altered Size and shape can be altered but position cannot be altered Size and position can be altered but not the shape R R C

Question 8 Points 1 Which one of the following is an example of translation OA bird flying on a straight path O The movement of hands of a clock OA person observing his image in the mirror O Foot prints

Which of the following transformations are not congruent Image A B Preimage Preimage Image Preimage C 010 Image D

Question 3 Points 1 Which of the following is the definition of rigid transformation Size and shape cannot be altered but the position can be altered Shape and position can be altered but size cannot be altered Size and shape can be altered but positioning cannot be altered O Size shape and position can be altered

Question 4 Which of the following is a glide reflection of the given image NNN D NZ N C OA OB Points 1 OC D n

Question 1 Points 3 What type of transformation is performed on the quadrilateral O Rigid transformation Non rigid transformation O Glide reflection Rotation

Question 4 Which of the following represents the coordinates of the given red point after a rotation of 360 about the origin Y 52 O 0 5 O 0 5 Points 1 O 5 5 10 5 0 X

Question 6 Triangle ABC is translated 3 units left and 4 units up Find the coordinates of the new triangle 6 5 4 3 2 8 7 1 0 1 Points 2 B 234 5678 X O A 5 6 B 6 11 and C 10 11 O A 1 2 B 0 3 and C 4 3 O A 1 6 B 0 11 and C 4 11 O A 1 6 B 1 11 and C 4 11

Question 7 Points 1 The vertices of triangle ABC are A 0 5 B 3 5 and C 2 2 If the triangle is reflected across y axis then find the coordinates of the triangle ABC OA 0 5 B 3 5 C 2 2 O A 0 5 B 3 5 C 2 2 O A 0 5 B 3 5 C 2 2 O A 0 5 B 3 5 C 2 2