lelandanagaljr lelandanagaljr
  • 22-02-2018
  • Mathematics
contestada

if a circle has a diameter of 24 inches, which expression gives its area in square inches?

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azaleambailey
azaleambailey azaleambailey
  • 22-02-2018
A=pi(r)^2 just divide the diameter in half to get the radius
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45431
45431 45431
  • 22-02-2018
The formula for the area of a circle is A=pi r squared
Divide 24 by 2 to get the radius or r.
12 squared by pi or 2.14
12 squared = 144
144 times 2.14 = the area
A = 452.39
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