Surface area of a sphere
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You haven’t stated what you want, so I assume you want to solve for x in terms of A.

A/12.56=(5x+3)², 5x+3=√(A/12.56), 5x=√(A/12.56)-3, x=⅕(√(A/12.56)-3).

by Top Rated User (645k points)

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