Maths question very hard?

2010-05-09 7:22 am

The size of each exterior angle of a n sided polygon is 30 degrees, find n.

First one to answer correctly get 10 points.

回答 (1)

2010-05-09 7:31 am

✔ 最佳答案

360/30 = 12

Coz the sum of exterior angles of a polygon is 360°.

30n = 360
n = 12

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