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OpenStudy (anonymous):
George makes large cookies. These cookies are 18 inches in diameter. How much icing will he need to cover the top of each cookie?
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OpenStudy (chriss):
He will need 18pi square inches of frosting per cookie.
OpenStudy (anonymous):
You are good at this :)
OpenStudy (anonymous):
This answer was wrong.
OpenStudy (anonymous):
Thanks for the effort though!
OpenStudy (chriss):
right... I was still thinking circumference... I should have used the formula pir^2 r=1/2d so r=9 r^2=81 A=81pi so 81pi square inches Sorry for the initial error.
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