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1. |
The common endpoint of two rays is called a(n) |
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A. |
degree |
B. |
vertex |
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C. |
side |
D. |
angle |
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Hint |
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2. |
The measures of the angles of a specific triangle are in the ratio 4:5:6. Find the measures of the angles. |
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A. |
30°, 60°, 90° |
B. |
52°, 62°, 66° |
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C. |
45°, 60°, 75° |
D. |
48°, 60°, 72° |
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Hint |
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3. |
If the triangles are similar, what is the value of a? |
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A. |
7 |
B. |
8.4 |
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C. |
4.48 |
D. |
11.2 |
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Hint |
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4. |
Determine  . |
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A. |
-4 |
B. |
-32 |
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C. |
-8 |
D. |
-16 |
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Hint |
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5. |
What is the best integer estimate for  ? |
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A. |
9 |
B. |
8 |
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C. |
10 |
D. |
7 |
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Hint |
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6. |
Find the length of one leg of a right triangle if the length of the hypotenuse is 18 meters and the length of the other leg is 14 meters. Round to the nearest tenth. |
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A. |
9.8 m |
B. |
14.3 m |
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C. |
11.3 m |
D. |
22.8 m |
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Hint |
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7. |
What is the length of the hypotenuse in  ? Round to the nearest tenth. |
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A. |
10.2 m |
B. |
6.5 m |
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C. |
6.0 m |
D. |
12.1 m |
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Hint |
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8. |
Solve c2 = 169. |
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A. |
c = 13, -13 |
B. |
c = 28561, -28561 |
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C. |
c = 338, -338 |
D. |
c = 84.5, -84.5 |
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Hint |
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9. |
Solve a2 = 78. Round your answer to the nearest tenth. |
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A. |
a = 9.4, -9.4 |
B. |
a = 8.8, -8.8 |
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C. |
a = 6.9, -6.9 |
D. |
a = 8.2, -8.2 |
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Hint |
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10. |
Classify the given angle. |
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A. |
obtuse |
B. |
straight |
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C. |
right |
D. |
acute |
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Hint |
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11. |
The measures of the angles of a certain triangle are in the ratio 10:11:15. What are the measures of the angles? |
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A. |
42°, 64°, 74° |
B. |
50°, 55°, 75° |
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C. |
60°, 66°, 90° |
D. |
57°, 60°, 63° |
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Hint |
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12. |
If leg a is 13 inches long and leg b is 21 inches long, what is the length of hypotenuse c? Round to the nearest tenth. |
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A. |
5.8 inches |
B. |
31.1 inches |
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C. |
24.7 inches |
D. |
8.2 inches |
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Hint |
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13. |
Find the perimeter of  to the nearest tenth. |
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A. |
18.5 units |
B. |
17.3 units |
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C. |
14.6 units |
D. |
8.1 units |
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Hint |
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14. |
Find the coordinates of the midpoint of  |
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A. |
(1, -1) |
B. |
(-4.5, -1.5) |
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C. |
(0.5, -0.5) |
D. |
(2, 0) |
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Hint |
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15. |
A tree casts a 20-foot long shadow at the same time that a 3-foot tall mailbox post casts a 1.2-foot long shadow. How tall is the tree? |
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A. |
72 feet |
B. |
8 feet |
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C. |
50 feet |
D. |
18 feet |
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Hint |
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16. |
Find cos C to the nearest ten thousandths. |
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A. |
0.894 |
B. |
1.1186 |
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C. |
0.447 |
D. |
0.5 |
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Hint |
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