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1. |
 |
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 |
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A. |
radius |
B. |
center |
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C. |
diameter |
D. |
circumference |
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Hint |
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2. |
 |
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 |
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A. |
7.8 |
B. |
1.6 |
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C. |
24.6 |
D. |
12.3 |
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Hint |
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3. |
 |
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 |
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A. |
45 |
B. |
60 |
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C. |
30 |
D. |
90 |
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Hint |
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4. |
In the figure, the line is ____ the circle. |
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 |
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A. |
a secant of |
B. |
inscribed in |
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C. |
a tangent of |
D. |
circumscribed about |
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Hint |
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5. |
 |
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 |
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A. |
140 |
B. |
40 |
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C. |
220 |
D. |
70 |
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Hint |
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6. |
 |
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 |
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A. |
3.6 |
B. |
7.2 |
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C. |
4.4 |
D. |
2.2 |
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Hint |
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7. |
Find an equation of the circle passing through A(2, 4), B(-2, 6), and
O(0,0). |
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A. |
(x - 2)2 + (y - 4)2 = 20 |
B. |
(x - 3)2 + (y + 6)2 = 32 |
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C. |
(x + 1)2 + (y - 3)2 = 10 |
D. |
x2 + y2 = 40 |
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Hint |
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8. |
Find the exact circumference of the circle in the figure. |
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 |
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A. |
8.5 |
B. |
17 |
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C. |
17 |
D. |
4.25 |
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Hint |
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9. |
 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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10. |
In the figure,  , and  . If MP = 7, then PQ = ____. |
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 |
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A. |
7 |
B. |
14 |
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C. |
24 |
D. |
25 |
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Hint |
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11. |
What can you assume from the following figure? |
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 |
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A. |
H is the center of the circle. |
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B. |
 GHK is isosceles. |
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C. |
m J + mGKI = 180. |
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D. |
 is a diameter of the circle. |
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Hint |
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12. |
If  is a diameter of the circle, MR = 12, and the circle has radius 10, then find NM. |
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 |
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A. |
8 |
B. |
16 |
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C. |
4 |
D. |
6.6 |
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Hint |
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13. |
The figure shows a quadrilateral circumscribed about a circle. Find the value of x. |
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 |
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A. |
34 |
B. |
32 |
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C. |
30 |
D. |
28 |
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Hint |
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14. |
Find the value of z. |
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 |
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A. |
11 |
B. |
9 |
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C. |
15 |
D. |
10 |
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Hint |
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15. |
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 = 144 |
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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 = 36 |
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Hint |
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16. |
In  J,  is a diameter with JL = 18 and m = 140. Find the length of  . |
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 |
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A. |
113.1 |
B. |
44.0 |
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C. |
12.6 |
D. |
6.3 |
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Hint |
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