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1. |
Classify  |
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A. |
acute isosceles |
B. |
obtuse equilateral |
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C. |
acute scalene |
D. |
right scalene |
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Hint |
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2. |
Classify  by its angles and sides. |
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A. |
obtuse equilateral |
B. |
acute isosceles |
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C. |
acute equilateral |
D. |
obtuse isosceles |
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Hint |
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3. |
Find  in  . |
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A. |
103° |
B. |
41° |
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C. |
62° |
D. |
131° |
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Hint |
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4. |
The measures of the angles of a certain triangle are in the ratio 2:4:9. What are the measures of the angles? |
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A. |
28°, 56°, 126° |
B. |
22°, 44°, 99° |
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C. |
20°, 40°, 90° |
D. |
24°, 48°, 108° |
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Hint |
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5. |
The measures of the angles of a certain triangle are in the ratio 10:11:15. What are the measures of the angles? |
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A. |
42°, 64°, 74° |
B. |
60°, 66°, 90° |
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C. |
50°, 55°, 75° |
D. |
57°, 60°, 63° |
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Hint |
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