ken42
ken42 ken42
  • 20-05-2016
  • Mathematics
contestada

the area of a circle that's 64 pi square inches long. What's the radius ?

the area of a circle thats 64 pi square inches long Whats the radius class=

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kgebon80
kgebon80 kgebon80
  • 20-05-2016
A=pi*r^2  sqrt64=8 in radius
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apologiabiology
apologiabiology apologiabiology
  • 20-05-2016
the area of anything cannot be any amount of square inches 'long'
long is 1 dimentional while area is 2 dimentional


anyway
area=(pi)radius^2
64pi=area
therfor
64pi=(pi)radius^2
divide both sides by pi
64=radius^2
sqrt both sides
8=radius
8 inches
Answer Link

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