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Mathematics 16 Online
OpenStudy (nautika27):

The circle above has a radius of 9 cm. What is the area of the circle? Use = 3.14. 28.26 cm2 56.52 cm2 254.34 cm2 508.68 cm2

OpenStudy (nautika27):

OpenStudy (skullpatrol):

any ideas?

OpenStudy (nautika27):

a ?

OpenStudy (anonymous):

A = (pi) * r^2

OpenStudy (nautika27):

I just guess iam really not good at this

OpenStudy (anonymous):

its 254.34cm^2

OpenStudy (anonymous):

A = 3.14 * 9^2 A = 3.14 * 81 A = ?? can you do the math now

OpenStudy (skullpatrol):

don't guess, try to use the formula

OpenStudy (nautika27):

ok

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