Question

3. The measure of an interior angle of a regular polygon is 140. Find the number of sides the polygon has.​

Answer 1

Answer:

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Step-by-step explanation:

Each interior angle of a regular polygon = 140 deg. So each exterior angle of the regular polygon = 180-140 = 40 deg. Hence the regular polygon has 360/40 = 9 sides.

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Answer 2

9 sides


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