Mathematics 0580 · IGCSE · Circles, arcs and sectors

Circles, arcs and sectors — practice question

The protractor has the form of a semicircle with radius $6.1\,\text{cm}$.
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Calculate the total perimeter of the protractor.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct method shown: $\frac{2}{2} \times 6.1 \times \pi$” …

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