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23 December, 10:11

The area of circle Z is 64πft².

What is the value of r?

r=__ ft

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Answers (1)
  1. 23 December, 10:33
    0
    A=πr²

    πr² = 64π

    Subtract the from both sides

    r²=64

    Square root both sides

    r=8
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