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Solve the formula

S =4pi r^2

Solve the formula S =4pi r^2-example-1
User Gili
by
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1 Answer

4 votes

Answer:

The answer is option A

Explanation:

S = 4πr²

First of all divide both sides by 4π

That's


\frac{4\pi {r}^(2) }{4\pi} = (S)/(4\pi) \\ {r}^(2) = (S)/(4\pi)

Find the square root of both sides in order to isolate r

That's


\sqrt{ {r}^(2) } = \sqrt{ (S)/(4\pi) }

We have the final answer as


r = \sqrt{ (S)/(4\pi) }

Hope this helps you

User Dragony
by
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