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1. |
Which pair of ratios is equivalent? |
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A. |
3 to 7 and 7 to 34 |
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B. |
1:2 and 3:4 |
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C. |
5:6 and 15:18 |
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D. |
4 to 6 and 8 to 10 |
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Hint |
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2. |
Which pentagon is similar to pentagon ABCDE? |
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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. |
The triangles below are congruent. Find a. |
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A. |
a = 8 |
B. |
a = 7 |
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C. |
a = 5 |
D. |
a = 6 |
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Hint |
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4. |
The triangles below are congruent. Find b. |
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A. |
b = 6 |
B. |
b = 5 |
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C. |
b = 8 |
D. |
b = 7 |
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Hint |
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5. |
Find the perimeter of this triangle after it has been scaled by 3. |
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A. |
54 km |
B. |
40 km |
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C. |
18 km |
D. |
21 km |
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Hint |
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6. |
These two figures are similar. What is the scale factor from the large figure to the small figure? |
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A. |
, or 0.67 |
B. |
, or 0.5 |
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C. |
, or 0.33 |
D. |
, or 0.75 |
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Hint |
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7. |
A rectangular box has a length of 5 ft, width of 3 ft, and depth of 4 ft. Find the volume of the box after it has been scaled by a factor of 6. |
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A. |
360 ft3 |
B. |
12,960 ft3 |
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C. |
4,320 ft3 |
D. |
2,160 ft3 |
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Hint |
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8. |
Find the surface area of the square pyramid after it has been scaled by a factor 3. |
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A. |
84 cm2 |
B. |
252 cm2 |
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C. |
756 cm2 |
D. |
1,024 cm2 |
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Hint |
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