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1. |
Classify  |
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A. |
equiangular |
B. |
right |
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C. |
obtuse |
D. |
acute |
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Hint |
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2. |
Which figure is an isosceles triangle? |
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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. |
Triangle KMS is equilateral. Find KM if KM = x + 6, KS = 2x – 3, and MS = 4x – 21. |
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A. |
21 |
B. |
4 |
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C. |
15 |
D. |
9 |
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Hint |
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4. |
Which triangle is isosceles? |
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A. |
 with vertices A(3,0), B(0,6), and C(3,6) |
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B. |
 with vertices R(3,5), S(1,-8),and T(-1,7) |
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C. |
 with vertices M(4,5), N(4,2), and P(-5,2) |
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D. |
 with vertices F(-1,-5), G(-3,4), and H(5,2) |
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Hint |
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5. |
 ABC is ______. |
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A. |
equilateral |
B. |
scalene and acute |
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C. |
isosceles and scalene |
D. |
scalene but not acute |
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Hint |
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