If the interior angle is 120° then the external angle is 180 - 120 = 60°
Number of sides = 360 ÷ 60 = 6. The polygon is a Hexagon.
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Providing that it is a regular polygon then each interior angle will measure 160 degrees
How many sides does a regular polygon have if the measure of each interior angle is equal to 172 degress ?
No regular polygon can have an interior angle of 180 degrees or more. No regular polygon can have an interior angle of 180 degrees or more. No regular polygon can have an interior angle of 180 degrees or more. No regular polygon can have an interior angle of 180 degrees or more.
51º per interior angle
Providing that it is a regular 38 sided polygon then each interior angle will measure: 170o31'34.74''