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What is the area of the circle whose equation is (x - 9)^2 + (y - 3)^2 = 64? 4p 8p 16p 64p
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Mar 15, 2019
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What is the area of the circle whose equation is (x - 9)^2 + (y - 3)^2 = 64?
4p
8p
16p
64p
Mathematics
middle-school
Knightburton
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Answer:
16pi
Explanation:
Skrilla
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Mar 17, 2019
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Skrilla
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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.
Konstantin Berkov
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Mar 20, 2019
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Konstantin Berkov
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