What is the area of a circle 3.102 cm in diameter? (note: the units will be cm2, you only need to enter the number)?

asked May 21, 2018 151k views

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Area of a circle is pi radius square
diameter= 3.102
radius=diameter/2=3.102/2=1.551
A=3.14 (1.551)^2=7.554cm^2

Feco answered May 23, 2018

by Feco

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7 votes

Area of a circle = pi*r^2, where r is the radius.

r = diameter/2
= 3.102/2
= 1.551

A = pi*1.551^2
= 7.557 cm^2

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