Question

Rearrange the formula, V =
2
лr²h
3
ندا
to solve for r.

Answer 1

`\sf \: r = √(V/2πh³)`

Explanation:

V=2πr²h³

Divide both sides by 2πh³

V/2πh³= 2πr²h³/2πh³

V/2πh³ = r²

Flip equation

r² = V/2πh³

Take square root of both sides

√r² = √V/2πh³

∴ r = √V/2πh³