daneuris daneuris

01-06-2015
Mathematics

Answered

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

Answer :

01-06-2015

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)

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cclemeno cclemeno

02-06-2015

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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