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1. |
In which figure is  a median and an angle bisector of 
and  is an altitude? |
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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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2. |
Which problem-solving strategy is used in indirect proofs? |
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A. |
working backward |
B. |
decision-making |
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C. |
guess and check |
D. |
draw a diagram |
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Hint |
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3. |
In the figure shown,  is an exterior angle of  Which
statement is correct? |
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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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4. |
Refer to the figure. Is  longer than  Explain. |
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A. |
Yes; is the hypotenuse of  and  is a leg. |
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B. |
Yes; the measure of the angle opposite is 90 and the measure of the angle opposite must be less than 90 because the sum of the measures of the angles must be 180. |
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C. |
Yes; the shortest distance from a point to a line is a perpendicular segment. |
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D. |
All of these. |
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Hint |
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5. |
Is it possible to draw a triangle with sides measuring 13, 21, and 39? Explain |
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A. |
Yes; 13 + 21 is less than 39. |
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B. |
No; 13 is less than 21 + 39. |
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C. |
No; 39 is greater than 13 + 21. |
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D. |
Yes; the sides of the triangle are not all the same lengths. |
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Hint |
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6. |
If the measures of two sides of a triangle are 3 and 1, between what two numbers must the measure of the third side fall? |
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A. |
2 and 5 |
B. |
2 and 4 |
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C. |
1 and 3 |
D. |
1 and 7 |
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Hint |
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7. |
If  , which relationship is true? |
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A. |
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B. |
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C. |
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D. |
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8. |
 CPR has vertices C(15, 1), P(9, 11), and R(2, 1). Determine the coordinates of point A on  so that  is a median of CPR. |
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A. |
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B. |
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C. |
(12, 6) |
D. |
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9. |
What is the relationship between AM and BM? |
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A. |
AM = BM |
B. |
AM < BM |
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C. |
It cannot be determined with the information given. |
D. |
AM > BM |
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Hint |
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10. |
State the assumption that could be used to start an indirect proof of the statement m 1 + m2 = 180. |
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A. |
m1 and m2 are complementary. |
B. |
m1 and m2 are supplementary. |
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C. |
m1 + m2  180 |
D. |
m1 + m2 = 90 |
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Hint |
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