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1. |
The diameter of a circle is 7.5. Find the circumference to the nearest tenth. |
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A. |
35.4 |
B. |
16.8 |
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C. |
47.1 |
D. |
23.6 |
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Hint |
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2. |
Find the radius of a circle with circumference . |
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A. |
 |
B. |
8 |
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C. |
16 |
D. |
4 |
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Hint |
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3. |
 |
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 |
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A. |
minor arc |
B. |
chord |
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C. |
major arc |
D. |
circumference |
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Hint |
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4. |
 |
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 |
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A. |
320 |
B. |
 |
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C. |
40 |
D. |
20 |
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Hint |
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5. |
is a diameter. Find . |
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 |
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A. |
180 |
B. |
90 |
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C. |
360 |
D. |
270 |
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Hint |
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6. |
 |
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 |
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A. |
12.2 |
B. |
7.1 |
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C. |
8.3 |
D. |
9.6 |
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Hint |
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7. |
The center of the circle with equation (x - 3)2 + (y + 2)2 = 4 has coordinates ___. |
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A. |
(-3, -2) |
B. |
(3, 2) |
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C. |
(-3, 2) |
D. |
(3, -2) |
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Hint |
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8. |
is a diameter of the circle. Find the value of x. |
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 |
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A. |
 |
B. |
 |
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C. |
 |
D. |
7 |
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Hint |
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9. |
In the figure, , and . If MP = 7, then PQ = ____. |
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 |
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A. |
14 |
B. |
24 |
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C. |
7 |
D. |
25 |
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Hint |
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10. |
 |
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 |
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A. |
46 |
B. |
23 |
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C. |
32 |
D. |
11.5 |
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Hint |
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11. |
If is tangent to circle M, what is the length of a radius of circle M? |
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 |
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A. |
16 |
B. |
2 |
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C. |
8 |
D. |
 |
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Hint |
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12. |
Find m IHJ. |
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 |
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A. |
125.5 |
B. |
140 |
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C. |
77.5 |
D. |
117 |
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Hint |
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13. |
Find the value of z. |
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 |
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A. |
11 |
B. |
9 |
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C. |
10 |
D. |
15 |
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Hint |
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14. |
Find an equation of the circle passing through U(-3, -1), V(3, 5), and W(9, 3). |
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A. |
x2 + y2 = 10 |
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B. |
(x - 4) 2 + (y + 2) 2 = 50 |
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C. |
(x + 1) 2 + (y - 4) 2 = 25 |
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D. |
(x - 3) 2 + (y - 3) 2 = 90 |
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Hint |
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15. |
is tangent to C. Find x. |
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 |
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A. |
 |
B. |
 |
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C. |
12 |
D. |
6 |
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Hint |
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16. |
 |
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 |
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A. |
75 |
B. |
62.5 |
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C. |
125 |
D. |
37.5 |
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Hint |
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