reedfritz reedfritz

03-08-2017
Mathematics

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what's the area of a circle with the diameter of 7m? (use 3.14 as pi)

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mperemsky mperemsky

03-08-2017

area = Pi * r^2
'
r = 7 / 2 = 3.5

area = 3.14 * 3.5^2
area = 3.14 * 12.25
area = 38.465 m sq

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