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Mathematics 13 Online
OpenStudy (anonymous):

What is the area of a circle with diameter 12 inches?

OpenStudy (anonymous):

@ganeshie8

OpenStudy (phi):

the area of a circle is always pi*r*r

OpenStudy (phi):

so you need the radius

OpenStudy (anonymous):

radius is half the diameter

OpenStudy (anonymous):

which is 6

OpenStudy (anonymous):

Yeah. So 3.14 x 6 x 6

OpenStudy (anonymous):

113.04

OpenStudy (anonymous):

Yepp.

OpenStudy (anonymous):

that is not one of my answers tho

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