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OpenStudy (anonymous):
The formula for the surface area of a cylinder is A=2pr(r+h).Find h if A=80p and r=5.
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OpenStudy (anonymous):
A=2pr(r+h) \[{80\pi \div(2\times5\times \pi)}-5=h, (80\div10)-5=h, 8-5=h,3=h\]
OpenStudy (anonymous):
got it grl??
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