charsichadwick088 charsichadwick088

31-03-2021
Mathematics

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Find the number of sides of a regular polygon if one interior angle is 120 degrees A3 B4 C5 D6

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abidemiokin abidemiokin

05-04-2021

Answer:

n = 6

Step-by-step explanation

Number of sides = 360/Measure of exterior

Measure of exterior = 180 - interior angle

Exterior angle = 180 - 120

Exterior angle = 60 degrees

Substitute into the formula

number of sides = 360/60

number of sides = 6

Hence the number of sides required is 6

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