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1. |
Which pair of ratios is equivalent? |
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A. |
4 to 6 and 8 to 10 |
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B. |
5:6 and 15:18 |
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C. |
3 to 7 and 7 to 34 |
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D. |
1:2 and 3:4 |
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Hint |
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2. |
Identify the triangle that is congruent to  ABC. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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3. |
The triangles below are congruent. Find a. |
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A. |
a = 5 |
B. |
a = 7 |
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C. |
a = 8 |
D. |
a = 6 |
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Hint |
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4. |
Which triangle is similar to a triangle with side lengths 2 cm, 5 cm, and 6 cm. |
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A. |
a triangle with side lengths 3 cm, 7.5 cm, and 8 cm |
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B. |
a triangle with side lengths 1 cm, 10 cm, and 15 cm |
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C. |
a triangle with side lengths 4 cm, 7 cm, and 8 cm |
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D. |
a triangle with side lengths 4 cm, 10 cm, and 12 cm |
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Hint |
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5. |
If the area of a small triangle is 2 square units, what is the area of the large triangle? |
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A. |
8 square units |
B. |
32 square units |
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C. |
16 square units |
D. |
4 square units |
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Hint |
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6. |
Find the perimeter of this triangle after it has been scaled by 3. |
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A. |
18 km |
B. |
40 km |
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C. |
54 km |
D. |
21 km |
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Hint |
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7. |
Find the volume of the structure below after it has been scaled by a factor of 3. |
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A. |
12 cubic units |
B. |
36 cubic units |
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C. |
108 cubic units |
D. |
324 cubic units |
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Hint |
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8. |
A sports utility vehicle has a surface area of 553 ft>2. A scale factor from the real S.U.V. to the model is 0.18. What is the surface area of the model? |
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A. |
99.54 ft2 |
B. |
23.36 ft2 |
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C. |
17.92 ft2 |
D. |
5.53 ft2 |
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Hint |
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