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Find how many sides this polygon has.
Mathematics 0580 · IGCSE · Geometrical terms
Geometrical terms — practice question
A regular polygon has an interior angle of $172^\circ$.
Worked solution & mark scheme
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Either $\frac{360}{180-172}$ or $\frac{(n-2)180}{n} = 172$” …
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