bandmcain bandmcain
  • 06-03-2020
  • Mathematics
contestada

What is the area of a circle if the circumference is 16 pi cm

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Chelboy
Chelboy Chelboy
  • 07-03-2020

Answer:64pi

Step-by-step explanation:

Circumference(c)=16pi

Circumference(c)=2 x pi x radius(r)

Substituting we get

16pi=2 x pi x r

Divide both sides by 2pi

16pi/2pi=(2xpixr)/2pi

8=r

Radius(r)=8cm

Area(a)=pi x r^2

a=pi x 8^2

a=64pi

Therefore area of the circle=64pi

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