Worksheet 5



Name: ____________________________________Period: ___________ Score: ___________

Identify the choice and shade your answer on the answer sheet provided

20. What is the surface area of a cube with an edge that measures 9 centimeters?

A. 81 square centimeters

B. 108 square centimeters

C. 324 square centimeters

D. 486 square centimeters

21. If [pic] is a parallelogram, what is the length of segment BD?

A. 10

B. 11

C. 12

D. 14

22. If [pic]A and [pic]B are complements, and [pic]B and [pic]C are complements, what must be true of [pic]A and [pic]C?

A. They have the same measure.

B. They are supplementary angles.

C. They are complementary angles.

D. They are interior angles of a polygon.

23. For the following true conditional statement, write the converse. If the converse is also true, combine the statements as a biconditional.

If x = 3, then x2 = 9.

| |If x2 = 9, then x = 3. True; x2 = 9 if and only if x = 3. |

| |If x2 = 3, then x = 9. False |

| |If x2 = 9, then x = 3. True; x = 3 if and only if x2 = 9. |

| |If x2 = 9, then x = 3. False |

24. Write the translation of point P(2, -9) to point P’(0,-12).

A. [pic] B. [pic]

C. [pic] D. [pic]

25. Which transformations which will not create congruent figures is ?

(A) Rotation and Translation (B) Reflection and Rotation

(C) Reflection and Dilation (D) Reflection and Translation

26. Which of the following is a dilation of triangle ABC with center of dilation (0,0)?

[pic]

A. A’ ( -2.5, 2) B’ (8, 6) C’ (2, -2.5)

B. A’ ( [pic]) B’ ([pic]) C’ ([pic])

C. A’ ( -1, 1) B’ (2, 1.5) C’ (1, -1.25)

D. A’ ( -2, 7) B’ (10.5, -12.5) C’ (-2, -1)

27. In the triangle to the right, if the base is side BC, what is the height?

(A) AB (B) BD

(C) AK (D) AC

28. Which biconditional is NOT a good definition?

| |A whole number is odd if and only if the number is not divisible by 2. |

| |An angle is straight if and only if its measure is 180. |

| |A whole number is even if and only if it is divisible by 2. |

| |D. A ray is a bisector of an angle if and only if it splits the angle into two angles. |

29. Triangle PQR is similar to triangle DEF as shown.

4 cm

Which describes the relationship between the corresponding sides of the two

triangles?

A. [pic] B. [pic] C. [pic] D. [pic]

30. In the diagram below, line segment l and line segment m intersect at the

center of the circle. What is the measure of [pic]x?

[pic]

A. 120° B. 133° C. 137° D. 143°

31. In the diagram below, line l and line m are parallel.

[pic]

Which equation could be used to solve for x?

A. 6x + 3x = 15 + 21 C. 6x + 15 + 3x + 21 = 90

B. 6x + 15 = 3x + 21 D. 6x + 15 + 3x + 21 = 180

Based on the diagram, [pic] are ____________ angles.

(A) Supplementary

(B) Parallel

(C) Alternate Interior

(D) Corresponding

-----------------------

o

m

n

6

8

7

5

1

4

3

2

D

9 cm F

P 6 cm R

Q

6 cm

E

5

6

7

E

A

D

C

B

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