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1. |
 and  are similar. Find a if x = 7, y = 1,
and  |
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A. |
 |
B. |
 |
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C. |
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D. |
1 |
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Hint |
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2. |
Find sin X. |
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A. |
8 |
B. |
0.8 |
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C. |
0.75 |
D. |
0.6 |
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Hint |
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3. |
Find the measure of  in the triangle below to the nearest hundredth. |
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A. |
74.05° |
B. |
6.71° |
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C. |
70° |
D. |
1.29° |
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Hint |
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4. |
Which side measures do not form a right triangle? |
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A. |
9, 40, 41 |
B. |
10, 12, 15 |
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C. |
3, 4, 5 |
D. |
5, 12, 13 |
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Hint |
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5. |
Simplify  . |
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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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6. |
Simplify  |
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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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7. |
Simplify  . |
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A. |
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B. |
7 |
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C. |
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D. |
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Hint |
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8. |
Simplify  . |
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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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9. |
Find the distance between points with coordinates (3, -2) and (-2, 10). |
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A. |
7 |
B. |
13 |
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C. |
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D. |
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Hint |
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10. |
Solve  . |
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A. |
125 |
B. |
15 |
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C. |
25 |
D. |
445 |
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Hint |
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11. |
Solve . |
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A. |
{1, –1} |
B. |
no solution |
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C. |
–1 |
D. |
1 |
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Hint |
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12. |
Consider a right triangle whose height is 12 feet and whose hypotenuse is 15 feet. What is the area of the triangle? |
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A. |
90 feet |
B. |
108 feet |
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C. |
54 feet |
D. |
180 feet |
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Hint |
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13. |
What is the perimeter of a triangle whose vertices are the points
(–1, 4), (–1, –2), (5, –2)? |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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14. |
Which of the following is not necessarily true concerning similar triangles? |
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A. |
The measures of their corresponding sides are equal. |
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B. |
The measures of their corresponding angles are equal. |
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C. |
Each triangle has angles whose sum is 180°. |
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D. |
The measures of their corresponding sides are proportional. |
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Hint |
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