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How many sides does a regular polygon have if each exterior angle measures 72o?
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How many sides does a regular polygon have if each exterior angle measures 72o?

User New
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1 Answer

6 votes
Sum of the exterior angles is always 360°

let n be the number of sides.

Given: 72° exterior angle measure.

n = 360°/72°
n = 5

The polygon has 5 sides. It is a pentagon.
User Mithun Rana
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