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1. |
Use a protractor to measure  . |
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 |
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A. |
180 |
B. |
65 |
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C. |
100 |
D. |
115 |
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Hint |
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2. |
Classify  by its angles and sides. |
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A. |
acute isosceles |
B. |
obtuse isosceles |
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C. |
obtuse equilateral |
D. |
acute equilateral |
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Hint |
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3. |
Determine  . |
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A. |
-16 |
B. |
-8 |
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C. |
-4 |
D. |
-32 |
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Hint |
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4. |
What is the best integer estimate for  ? |
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A. |
8 |
B. |
9 |
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C. |
7 |
D. |
10 |
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Hint |
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5. |
Which equation represents the Pythagorean Theorem? |
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A. |
a2 + c2 = b2 |
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B. |
(a + b)2 = c2 |
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C. |
c2 = a2 + b2 |
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D. |
a2 = b2 + c2 |
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Hint |
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6. |
Name all sets of numbers to which 33 is a member. |
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A. |
irrational |
B. |
rational, integer, whole, natural |
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C. |
rational, whole, natural |
D. |
rational, integer |
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Hint |
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7. |
Name all sets of numbers to which  is a member. |
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A. |
rational, integer |
B. |
irrational |
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C. |
rational, integer, whole |
D. |
rational, integer, whole, natural |
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Hint |
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8. |
A mirror reflected a ray of light 145°. Classify the angle of reflection. |
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A. |
right |
B. |
straight |
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C. |
acute |
D. |
obtuse |
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Hint |
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9. |
Find the value of x in  |
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 |
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A. |
152 |
B. |
150 |
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C. |
122 |
D. |
32 |
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Hint |
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10. |
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. |
Yes, the converse of the Pythagorean Theorem is true. |
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B. |
No, because this triangle is scalene. |
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C. |
It is not possible to determine if the triangle is a right triangle. |
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D. |
No, because the converse of the Pythagorean Theorem is false. |
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Hint |
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11. |
Find the distance between (-5, -6) and (4, 2). Round to the nearest tenth. |
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A. |
4.1 units |
B. |
14.5 units |
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C. |
12 units |
D. |
17 units |
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Hint |
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12. |
Find the perimeter of  to the nearest tenth. |
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A. |
14.8 units |
B. |
30 units |
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C. |
5.4 units |
D. |
27.2 units |
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Hint |
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13. |
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. |
50 feet |
B. |
18 feet |
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C. |
72 feet |
D. |
8 feet |
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Hint |
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14. |
If  what is the value of x? |
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A. |
7.5 m |
B. |
4.25 m |
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C. |
106.25 m |
D. |
1.5 m |
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Hint |
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15. |
Find sin C to the nearest ten thousandths. |
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A. |
0.447 |
B. |
2.2371 |
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C. |
0.894 |
D. |
0.5 |
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Hint |
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16. |
Find the value of cos 85° to the nearest ten thousandth. |
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A. |
0.9962 |
B. |
0.989 |
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C. |
0.0872 |
D. |
11.4301 |
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Hint |
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