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Mathematics 9 Online
OpenStudy (anonymous):

attached question, answerer(s) get medals!

OpenStudy (anonymous):

OpenStudy (radar):

Looking at the formula can you determine what the radius is??

OpenStudy (anonymous):

64pi

OpenStudy (radar):

Hint the last term tells you.

OpenStudy (radar):

You will also need to know the formula for calculating the area of the circle.

OpenStudy (anonymous):

if 64 is the area then do i divide?

OpenStudy (radar):

64 is the value of the radius squared.

OpenStudy (anonymous):

A=r^2*pi square 64=8 A=8^2*pi A=64pi

OpenStudy (radar):

There is the are formula, courtesy of Nancy Lam

OpenStudy (anonymous):

oh, alright. that makes sense. thanks to both of you.

OpenStudy (radar):

are-area lol

OpenStudy (radar):

That one wan't too bad was it. they get easier with practice.

OpenStudy (anonymous):

I sure hope so

OpenStudy (radar):

Take care and good luck with your studies.

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