Mathematics for IGCSE & O level - Angles (Section 1 - No. 41) | ExamPlay

Mathematics for IGCSE & O level - Angles (Section 1 - No. 41)

If the exterior angle of a regular polygon is 45°, how many sides does the polygon have?

4

6

8

10

解释

Number of sides = 360° / exterior angle = 360° / 45° = 8

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