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1. |
In  ,  and  are medians. If PT =3x - 1, PS = 4x - 2, and SR = 2x + 4, find TQ. |
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A. |
6 |
B. |
8 |
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C. |
10 |
D. |
3 |
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Hint |
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2. |
In  ,  ,  , and  are medians. What is DB if IB = 42? |
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A. |
14 |
B. |
42 |
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C. |
7 |
D. |
28 |
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Hint |
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3. |
Which figure shows altitude  ? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Which segment is a perpendicular bisector in  ? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
 |
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A. |
51 |
B. |
17 |
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C. |
34 |
D. |
68 |
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Hint |
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6. |
In , what is FE? |
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A. |
50 |
B. |
10 |
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C. |
65 |
D. |
12 |
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Hint |
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7. |
State the theorem or postulate that could be used to show  . |
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A. |
LL |
B. |
HA |
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C. |
LA |
D. |
HL |
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Hint |
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8. |
Determine the reason that  . |
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A. |
HA |
B. |
HL |
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C. |
LA |
D. |
LL |
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Hint |
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9. |
In  AFE,  bisects  AFE,  bisects AFC and  bisects CFE. If mBFC = 12, find mBFE. |
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A. |
24 |
B. |
48 |
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C. |
12 |
D. |
36 |
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Hint |
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10. |
In isosceles ABD,  is a median. Find DB. |
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A. |
40 |
B. |
33 |
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C. |
66 |
D. |
7 |
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Hint |
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11. |
Is a triangle with sides measuring 8, 15 and 17 a right triangle? Why or why not? |
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A. |
no; 15 - 8 =  |
B. |
yes; 8 + 15  17 |
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C. |
no;  +   |
D. |
yes; 82 + 152 = 172 |
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Hint |
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12. |
Find the length of one leg of a right triangle if the hypotenuse is 21 and the other leg is 9. Round to nearest hundredth. |
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A. |
12 |
B. |
18.97 |
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C. |
30 |
D. |
22.34 |
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Hint |
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13. |
Is ABC with vertices A(-1, 1), B(3, 4) and C(2, -11) a scalene triangle? Why or why not? |
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A. |
yes; all distances are different |
B. |
no; all distances are different |
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C. |
yes; two sides have equal distances |
D. |
no; all distances are equal |
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Hint |
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14. |
Find the distance between H(-3, 1) and D(6, 10) to the nearest tenth. |
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A. |
11 |
B. |
12.7 |
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C. |
18 |
D. |
13.4 |
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Hint |
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