The interior angle of a regular polygon is 4 times its exterior angle. how many side does a polygon have???
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Step-by-step explanation:
interior angle = 4
exterior angle = 4
36°= 144° degrees.
144° + 36° = 180° degrees so they are supplementary as required.
the exterior angle of the regular polygon= 360°÷ number of sides.
the number of sides = 360 / exterior angle = 360 / 36 = 10[ans]
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