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1. |
Which pair of ratios is equivalent? |
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A. |
5:6 and 15:18 |
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B. |
4 to 6 and 8 to 10 |
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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 figure that is congruent to rectangle ABCD. |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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3. |
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 1 cm, 10 cm, and 15 cm |
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B. |
a triangle with side lengths 4 cm, 7 cm, and 8 cm |
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C. |
a triangle with side lengths 3 cm, 7.5 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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4. |
What needs to be true to determine whether two triangles are similar? |
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A. |
at least two sets of angles must be congruent |
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B. |
only one set of angles must be congruent |
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C. |
only one set of sides must be similar |
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D. |
only one set of sides must be congruent |
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Hint |
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5. |
Find the perimeter of a small rectangle. |
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A. |
9.0 units |
B. |
12.2 units |
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C. |
24.0 units |
D. |
5.4 units |
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Hint |
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6. |
Find the area of the circle after it has been scaled by a factor of 5. |
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A. |
15.71 mm2 |
B. |
78.54 mm2 |
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C. |
3.14 mm2 |
D. |
49.35 mm2 |
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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  . |
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A. |
4 cubic unit |
B. |
1 cubic unit |
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C. |
3 cubic units |
D. |
2 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. |
23.36 ft2 |
B. |
99.54 ft2 |
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C. |
17.92 ft2 |
D. |
5.53 ft2 |
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Hint |
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