# Find the number of sides of a regular polygon whose each exterior angle has a measure of 45°. - Mathematics

Sum
Find the number of sides of a regular polygon whose each exterior angle has a measure of 45°.

#### Solution

Total measure of all exterior angles = 360°
Measure of each exterior angle = 45°
Therefore, the number of exterior angles = 360/45 = 8
The polygon has 8 sides.
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