Mathematics 0580 · IGCSE · Circles, arcs and sectors

Circles, arcs and sectors — practice question

A protractor has the shape of a semicircle with radius $6.1$ cm. The diagram is not drawn to scale.
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Calculate the perimeter of this protractor.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “M1 for $6.1 \times \pi$ or $12.2 \times \pi$” …

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