Mathematics for IGCSE & O level - Angles (Section 1 - No. 28) | ExamPlay

Mathematics for IGCSE & O level - Angles (Section 1 - No. 28)

What is the sum of the interior angles of a pentagon?

180°

360°

540°

720°

Vysvětlení

Interior angle sum = (n-2) * 180 = (5-2) * 180 = 540°

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