Mathematics 0580 · IGCSE · Circles, arcs and sectors

Circles, arcs and sectors — practice question

The diagram depicts a sector of a circle with centre $O$ and radius $9\text{ cm}$. Its perimeter is $(18+2\pi)\text{ cm}$.
(main)[4]

Find the area of the sector, and express your answer in terms of $\pi$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “\( 9\pi \)” …

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