If a circle has a radius of 4 inches, how many square feet is the area of half of the circle?

sri

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- March 29th 2008, 03:16 AMsri340Help this geometry problem
If a circle has a radius of 4 inches, how many square feet is the area of half of the circle?

sri - March 29th 2008, 03:25 AMMoo
Hello,

I think you should first convert inches into feet.

Rhe area of a circle is given by the formula : where R is the radius.

Hence the area of half the circle will be