hrideshbhunjun17
hrideshbhunjun17 hrideshbhunjun17
  • 02-06-2020
  • Mathematics
contestada

An exterior angle of a regular polygon is 72°.
(i) what is the size of each interior angle of the polygon?
(ii) Find the number of sides of the polygon.

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TheLazyNobita
TheLazyNobita TheLazyNobita
  • 02-06-2020

Answer:

Exterior angle = 72⁰

As polygon is regular , each interior angle = 180⁰ - 72⁰ = 108⁰

Number of sides :

As the sum of exterior angles is 360⁰ :

n × 72⁰ = 360⁰

n = 360/72 = 5

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dhshshshsb dhshshshsb
  • 02-06-2020
The answer is 5
.....
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