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1. |
The diameter of a circle is 8. What is the radius? |
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A. |
4 |
B. |
 |
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C. |
16 |
D. |
 |
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Hint |
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2. |
ABCDE is ____. |
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 |
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A. |
a rhombus |
B. |
an inscribed polygon |
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C. |
a parallelogram |
D. |
a chord |
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Hint |
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3. |
 is a diameter. Find  . |
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 |
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A. |
270 |
B. |
360 |
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C. |
180 |
D. |
90 |
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Hint |
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4. |
In the figure, the segment is ____ to the circle. |
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 |
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A. |
supplementary |
B. |
inscribed |
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C. |
tangent |
D. |
interior |
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Hint |
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5. |
 |
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 |
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A. |
30 |
B. |
60 |
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C. |
45 |
D. |
90 |
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Hint |
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6. |
Find  . |
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 |
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A. |
25 |
B. |
105 |
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C. |
100 |
D. |
80 |
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Hint |
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7. |
Find the value of y. |
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 |
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A. |
 |
B. |
11 |
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C. |
3 |
D. |
19 |
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Hint |
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8. |
Find an equation of the circle that has a diameter with endpoints at
(6, 10) and (-2, 4). |
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A. |
(x - 2)2 + (y - 7)2 = 25 |
B. |
(x - 4)2 + (y - 3)2 = 53 |
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C. |
(x + 2)2 + (y - 4)2 = 100 |
D. |
(x - 6)2 + (y - 10)2 = 100 |
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Hint |
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9. |
In the figure, ABCD is a square and AC = 22. Find the circumference of the circle to the nearest tenth. |
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 |
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A. |
69.1 |
B. |
48.9 |
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C. |
34.6 |
D. |
24.4 |
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Hint |
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10. |
In the figure, if PQ = 16 and CD = 30, then what is the length of a radius of the circle? |
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 |
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A. |
17 |
B. |
8 |
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C. |
16 |
D. |
15 |
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Hint |
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11. |
If P is the center of the circle, find the value of x. |
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 |
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A. |
34 |
B. |
23 |
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C. |
-25 |
D. |
 |
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Hint |
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12. |
In the figure,  and  are ______. |
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 |
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A. |
secants |
B. |
secant segments |
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C. |
external secant segments |
D. |
tangent segments |
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Hint |
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13. |
Find the value of z. |
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 |
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A. |
15 |
B. |
10 |
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C. |
9 |
D. |
11 |
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Hint |
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14. |
Which is an equation of the circle with center at (11, -19) and diameter 12? |
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A. |
(x - 11) 2 + (y + 19) 2 = 36 |
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B. |
(x + 11) 2 + (y - 19) 2.= 144 |
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C. |
(x + 11) 2 + (y - 19) 2 = 36 |
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D. |
(x - 11) 2 + (y + 19) 2 = 144 |
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Hint |
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15. |
In  J,  is a diameter with JL = 18 and m = 140. Find the length of  . |
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 |
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A. |
6.3 |
B. |
12.6 |
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C. |
44.0 |
D. |
113.1 |
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Hint |
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16. |
 |
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 |
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A. |
24 |
B. |
48 |
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C. |
57 |
D. |
114 |
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Hint |
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