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(n-2)180=sum of the interior angles. If you just want to find one angle, then you divide (n-2)180 by the number of sides and you get
= one angle of a regular polygon
since you know the angle, you set the angle equal to
Let the angle be represented by A.
using algebra, we can say
Therefore, the formula to find out the number of sides of a regular polygon when one interior angle is given is:
Where n=number of sides and A is the given angle.
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