Mathematics for IGCSE & O level - Angles (Section 3 - No. 44) | ExamPlay

Mathematics for IGCSE & O level - Angles (Section 3 - No. 44)

If the interior angle of a regular polygon is 108°, how many sides does the polygon have?

4

5

6

7

Vysvětlení

Exterior angle = 180 - 108 = 72. Number of sides = 360/72 = 5.

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