Mathematics for IGCSE & O level - Equations (Section 7 - No. 3)
If you are given the formula for the volume of a cone, V = (1/3)πr²h. Which steps are used to find 'r'?
Multiply both sides by 3.
Divide both sides by πh.
Take the square root of both sides.
Divide by h.
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These steps are required to isolate r.