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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. |
decision-making |
B. |
draw a diagram |
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C. |
guess and check |
D. |
working backward |
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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. |
The _______________ states that the sum of the lengths of any two sides of a triangle is greater than the length of the third side. |
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A. |
Definition of a Triangle |
B. |
Triangle Equality Theorem |
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C. |
Definition of an Inequality |
D. |
Triangle Inequality Theorem |
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Hint |
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5. |
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A. |
AC = XZ |
B. |
AC > XZ |
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C. |
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D. |
AC < XZ |
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Hint |
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6. |
 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. |
(12, 6) |
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C. |
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D. |
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Hint |
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7. |
PQR has vertices P(-4, 6), Q(4, 5), R(-2, -3). Which angle has the smallest measure? |
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A. |
 Q |
B. |
P |
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C. |
R |
D. |
There is not enough information to answer this question. |
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Hint |
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8. |
Ed has a piece of rope with exactly 10 knots tied to make 9 equal lengths as shown. Using the rope, he wants to use the entire rope to make a triangle so that each vertex of the triangle occurs at a knot. How many different triangles can Ed make? |
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A. |
2 |
B. |
5 |
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C. |
3 |
D. |
4 |
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Hint |
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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. |
AM < BM |
D. |
It cannot be determined with the information given. |
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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 If 2n < 6, then n < 3. |
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A. |
n < 3 |
B. |
n = 3 |
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C. |
n > 3 |
D. |
n 3 |
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Hint |
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