Mathematics 0580 · IGCSE · Powers and roots

Powers and roots — practice question

Find the radius of a hemisphere whose volume is $80\text{ cm}^3$. [The volume, $V$, of a sphere with radius $r$ is $V = \dfrac{4}{3}\pi r^3$]

(main)[3]

Find the radius of this hemisphere.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Hence, $r^3=\frac{120}{\pi}$” …