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28 February, 08:21

What is the area of the circle whose equation is (x - 9) ^2 + (y - 3) ^2 = 64?

4p

8p

16p

64p

+1
Answers (1)
  1. 28 February, 08:51
    0
    You can read off the square of the radius immediately; it is 64. Thus, the radius is 8, and the area of the circle is C = pi*r^2, or C = pi * (8 units) ^2.
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