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S=2×πrh, solve for r. I got S/2xh=r is that right?​
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S=2×πrh, solve for r. I got S/2xh=r is that right?​

User Kadir Ercetin
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given \: that \: s = 2 * \pi * r * h

by making r the subject, you need to divide the whole equation by 2πh

s/2πh = 2πhr/2πh

cancel out

r = s/2πh

User DivineWolfwood
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