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How do you find the area of the circle?

How do you find the area of the circle?-example-1
User EjLev
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because is is a semicircle you do the same thing as you did with the rectangle but then divide by 2 or you can follow this formula
A=pi·r·r. (Area=3.14×radius×radius)
A=pi·r2. (Area=3.14×radius squared)
User Insula
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it’s a semicircle, so it would be 1/2 pi r^2.
User Edudjr
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