Question

if the ratio between an exterior angle and an interior angle of regular polygon is 1:5 then the number of sides of regular polygon is? step by step explanation​

Answer 1

Step-by-step explanation:

let exterior angle is 1x

interior angle is 5x

ATQ

1X + 5X = 180 ( Linear pair )

6 = 180

x = 180÷6

x = 30

No. of sides = 360 ÷ angle

= 360 ÷ 30

= 12

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