J3azzmi4neyholly J3azzmi4neyholly
  • 22-01-2017
  • Mathematics
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What is the area of a circle, if it's radius is 2cm?

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Gcar6008
Gcar6008 Gcar6008
  • 22-01-2017
25.13cm^2 or 8pi. The radius of a circle is 2 x pi x r^2. R is the radius. 2 x pi x 2^2cm -> 2 x pi x 4cm -> 8cm x pi -> 25.13cm^2. Leaving the answer in terms of pi would be 8pi.
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