Question

Area of circle 64 pi what is the diameter of circle

Answer 1

Answer:

$area \: of \: circle \: = \pi {r}^{2}$

$and \: area \: of circle \: = 64\pi$

$then\ \: \pi {r}^{2} = 64\pi$

$r {}^{2} = 64$

$r = \sqrt{64}$

$diameter \: of \: circle \: = 2r$

$r = 8 \: \:$

$then \: 2r = > 2 \times 8 = 16$

so , 16 is right answer

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Answer 2

Step-by-step explanation:

d=2r

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