EM-1654

Changing the subject of a formula

E Math · Secondary 4 · Medium · Changing the subject of a formula

A solid metal cylinder has a volume of

500\text{ cm}^3

and a height of

10\text{ cm}

. Using the formula for the volume of a cylinder,

V = \pi r^2 h

, find the radius of the cylinder.

Take

\pi = 3.142

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