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1. |
Which set of figures must be congruent? |
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A. |
two quadrilaterals with all sides 2 in. long |
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B. |
two triangles with all sides 2 in. long |
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C. |
two pentagons with all sides 2 in. long |
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D. |
all answers are correct |
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Hint |
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2. |
The triangles below are congruent. Find a. |
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A. |
a = 6 |
B. |
a = 8 |
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C. |
a = 7 |
D. |
a = 5 |
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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 4 cm, 10 cm, and 12 cm |
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D. |
a triangle with side lengths 3 cm, 7.5 cm, and 8 cm |
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Hint |
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4. |
A triangle has sides of 6 in., 9 in., and 15 in. It is scaled to make a new triangle with one side that is 3 in. What might the scale factor be? |
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A. |
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B. |
all answers are correct |
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C. |
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D. |
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Hint |
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5. |
The triangles below are similar. Find x. |
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A. |
10 |
B. |
1 |
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C. |
2 |
D. |
5 |
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Hint |
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