Question

find the sizes of the lettered angles in a polygon
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Answer 1

Answer : (n-2)x 180 degrees : The formula for finding the sum of all angles in a polygon (REGULAR). Here "n" represents the number of sides of the polygon .

Answer 2

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✰ The formula for calculating the size of an interior angle is: interior angle of a polygon = sum of interior angles ÷ number of sides. The sum of exterior angles of a polygon is 360°. The formula for calculating the size of an exterior angle is: exterior angle of a polygon = 360 ÷ number of sides.