Mathematics for IGCSE & O level - Angles (Section 1 - No. 34) | ExamPlay

Mathematics for IGCSE & O level - Angles (Section 1 - No. 34)

What is the exterior angle of a regular decagon?

36°

45°

60°

72°

Vysvětlení

Exterior angle = 360°/n = 360/10 = 36°

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