Question 69

The number of sides of a regular polygon whose exterior angles are each 45 is:

Solution

A regular octagon has eight equal sides and eight equal angles. (a) Calculate the size of each exterior angle in the regular octagon. We do this by dividing 360° by the number of sides, which is 8. The answer is 360° ÷ 8 = 45°.

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RRB NTPC 22 April 2016 - Shift 2

The number of sides of a regular polygon whose exterior angles are each 45 is:

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