A regular polygon has an internal angle 108⁰.Its external angle is _____________ and number of sides of the polygon is__________________
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Answer:
A regular polygon has an internal angle 108⁰.Its external angle is 72° and number of sides of the polygon is 5.
Step-by-step explanation:
180°- 108°= 72° ( since in a polygon interior angles and exterior angles are supplementary and sum of supplementary angles is 180°)
No. of sides= 360°/ exterior angle
= 360°/72° = 5. Answer.
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