Mathematics for IGCSE & O level - Angles (Section 3 - No. 37) | ExamPlay

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Mathematics for IGCSE & O level - Angles (Section 3 - No. 37)

What is the sum of the interior angles of a polygon with 5 sides (a pentagon)?

180°

360°

540°

720°

Wyjaśnienie

Formula: (n-2) * 180. (5-2)*180 = 540.

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