Mathematics for IGCSE & O level - Angles (Section 3 - No. 5) | ExamPlay

Mathematics for IGCSE & O level - Angles (Section 3 - No. 5)

If the interior angles of a polygon add up to 1080°, how many sides does the polygon have?

6

7

8

9

Explication

(n-2)*180=1080 -> n=8

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