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1. |
Classify  |
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A. |
obtuse equilateral |
B. |
acute isosceles |
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C. |
right scalene |
D. |
acute scalene |
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Hint |
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2. |
What is  in  ? |
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A. |
90 |
B. |
41 |
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C. |
13 |
D. |
49 |
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Hint |
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3. |
Determine whether the triangles are similar. Explain why or why not. |
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A. |
yes; x = 85 |
B. |
yes; y = 55 |
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C. |
no; x = 85 |
D. |
no; y = 65 |
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Hint |
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4. |
Find  . |
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A. |
12 |
B. |
10 |
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C. |
11 |
D. |
13 |
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Hint |
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5. |
If a mountain climber is standing on the peak of a mountain 15,600 above the ground, about how far can the mountain climber see? |
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A. |
152.4 mi |
B. |
127.9 mi |
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C. |
138.0 mi |
D. |
113.1 mi |
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Hint |
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6. |
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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7. |
Name all sets of numbers to which 33 is a member. |
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A. |
irrational |
B. |
rational, whole, natural |
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C. |
rational, integer, whole, natural |
D. |
rational, integer |
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Hint |
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8. |
Order  and  from least to greatest. |
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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. |
Classify the given angle. |
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A. |
obtuse |
B. |
straight |
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C. |
acute |
D. |
right |
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Hint |
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10. |
Classify the given angle. |
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A. |
acute |
B. |
right |
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C. |
straight |
D. |
obtuse |
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Hint |
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11. |
A 25-foot ladder is positioned against a building so that the base of the ladder is 7 feet from the building. How high does the ladder reach? |
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A. |
19 feet |
B. |
24 feet |
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C. |
8 feet |
D. |
25 feet |
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Hint |
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12. |
The measures of three sides of a triangle are 12 meters, 16 meters, and 20 meters. Determine whether the triangle is a right triangle. Explain. |
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A. |
It is not possible to determine if the triangle is a right triangle. |
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B. |
Yes, the converse of the Pythagorean Theorem is true. |
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C. |
No, because this triangle is scalene. |
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D. |
No, because the converse of the Pythagorean Theorem is false. |
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Hint |
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13. |
Find the perimeter of  to the nearest tenth. |
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A. |
8.1 units |
B. |
14.6 units |
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C. |
17.3 units |
D. |
18.5 units |
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Hint |
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14. |
Find the coordinates of the midpoint of  |
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A. |
(-4.5, -1.5) |
B. |
(2, 0) |
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C. |
(1, -1) |
D. |
(0.5, -0.5) |
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Hint |
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15. |
A 6-foot tall person casts a 2.5-foot long shadow at the same time that a building casts a 40-foot long shadow. How tall is the building? |
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A. |
104 feet |
B. |
96 feet |
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C. |
16 feet |
D. |
600 feet |
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Hint |
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16. |
Find sin C to the nearest ten thousandths. |
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A. |
0.894 |
B. |
0.447 |
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C. |
2.2371 |
D. |
0.5 |
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Hint |
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