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Mathematics 20 Online
OpenStudy (anonymous):

Find the area of the circle. Leave your answer in terms of PI.

OpenStudy (anonymous):

OpenStudy (saifoo.khan):

Do you know the area formula?

OpenStudy (anonymous):

what is 6.6?

OpenStudy (anonymous):

diameter

OpenStudy (anonymous):

then r=d/2=3.3

OpenStudy (aravindg):

use area=\[\huge \pi\times r^2\]

OpenStudy (aravindg):

here r=d/2

OpenStudy (aravindg):

r=3.3

OpenStudy (anonymous):

I get 34.195 and thats not one of my options

OpenStudy (aravindg):

i got 34.21

OpenStudy (anonymous):

10.89pi

OpenStudy (anonymous):

can you explain how you got 10.89 pi?

OpenStudy (aravindg):

3.3^2=10.89

OpenStudy (anonymous):

pi*3.3^2=10.89pi

OpenStudy (anonymous):

awesome thank you!

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