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.
Explication
These steps are required to isolate r.