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a circular mirror has a diameter o 12 inches. what is the area , in square inches , of the mirror

Sagot :

AL2006

The area of ANYTHING circular is (pi) x (the circle's radius)².

Radius = 1/2 of the diameter

Radius of the mirror = 6 inches

Area of the mirror = (pi) x (6 inches)²

                                = (pi) x (36 inches²)  =  113 square inches (rounded)
A= pi x r^2 r= d/2 A= 3.14 x 6 x 6 A=113,04 Area = 113 square inches hope this helps
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