Respuesta :

meerkat18
we are given the expression S = 2πr^2 + 2πrh and is asked to solve for h. This is the formula of the surface area of a cylinder. In this case, 
S - 2πr^2 = 2πr h dividing the whole equation by 2πr, thenh = (S - 2πr^2) / 2πrh = S/2πr - r

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