Find the number of sides of regular polygon whose each exterior angle is 12°.
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Step-by-step explanation:
the pair factors of 90 are (1, 90), (2, 45), (3, 30), (5, 18), (6, 15) and (9, 10).
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Answer:
Sum of exterior angle of a regular polygon is 360°
No. Of side = 360°÷(exterior angle)
=360°÷12°= 30
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