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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