Mathematics 0580 · IGCSE · Surface area and volume

Surface area and volume — practice question

The diagram illustrates a sector with centre $O$ and radius 12 cm. Angle $AOB = 145^\circ$.
(a)[3]

Calculate the area enclosed by the sector.

(b)[6]

Calculate the volume of the cone.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$270.2$ (allowable range)” …

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