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area of circle with diameter of 4 in

0 votes

the area of a circle

area-of-a-circle

asked Dec 9, 2013 in GEOMETRY by rockstar Apprentice

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1 Answer

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Given d = 4in

We know that r = d/2

r = 4/2

r = 2

Area of circle = pi *r^2

= 22/7*2*2

= 88/7

= 12.57

Area of given circle is 12.57 square inches.

answered Dec 9, 2013 by william Mentor

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