What is the formula for finding exterior and interior angles of a polygon?

Each interior angle of a regular polygon with n sides: θ = 180 ( n − 2 )/ n or θ = 180 n − 360/ n

Each exterior angle of a regular polygon with n sides: β = 180 ° − θ T

herefore interior angle + exterior angle = 180 ° θ = 180 ° − β and β = 180 ° − θ

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