Find the number of sides of a regular polygon.
whose to each exterior angle has a measure of 72
Answers
Answered by
40
Answer:
5
Step-by-step explanation:
Given measurement of each exterior angle = 72°
So measurement of each interior angle = 108°
Number of sides of the polygon :
(n - 2)180/n = 108
⟹ 180n - 360/n = 108
⟹ 180n - 360 = 108n
⟹ 180n - 108n = 360
⟹ 72n = 360
⟹ n = 5
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