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1. |
Classify the triangle by its angles and its sides. |
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A. |
right and isosceles |
B. |
acute and scalene |
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C. |
acute and isosceles |
D. |
right and scalene |
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Hint |
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2. |
Classify the triangle by its angles and its sides. |
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A. |
obtuse and equilateral |
B. |
right and scalene |
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C. |
acute and isosceles |
D. |
right and isosceles |
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Hint |
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3. |
Find the value of x in  if  °
and  °, and  is a right angle. |
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A. |
5 |
B. |
15 |
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C. |
10 |
D. |
20 |
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Hint |
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4. |
Find the measure of each angle in  XYZ if mX = (3x+20)°, mY = (2x+20)°, and Z is a right angle. |
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A. |
90°, 40°, 50° |
B. |
90°, 45°, 45° |
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C. |
90°, 30°, 60° |
D. |
90°, 20°, 70° |
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Hint |
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5. |
A triangle with three congruent sides is called ____________. |
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A. |
Right |
B. |
Scalene |
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C. |
Obtuse |
D. |
Equilateral |
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Hint |
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