Mathematics 0580 · IGCSE · Angles

Angles — practice question

A regular polygon has an interior angle of $156^{\circ}$.
(main)[2]

Determine the number of sides of this polygon.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Use $360\div(180-156)$ or $\frac{180(n-2)}{n}=156$” …

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