Mathematics for IGCSE & O level - Angles (Section 3 - No. 31) | ExamPlay

Mathematics for IGCSE & O level - Angles (Section 3 - No. 31)

In a regular polygon, if each interior angle is 135°, how many sides does the polygon have?

6

8

10

12

설명

Exterior angle = 180 - 135 = 45. Number of sides = 360 / 45 = 8.

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