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An interior angle of a 2-dimensional plane shape is an angle on its perimeter that is facing the enclosed area of the shape.An interior angle of a 2-dimensional plane shape is an angle on its perimeter that is facing the enclosed area of the shape.An interior angle of a 2-dimensional plane shape is an angle on its perimeter that is facing the enclosed area of the shape.An interior angle of a 2-dimensional plane shape is an angle on its perimeter that is facing the enclosed area of the shape.
180-170 = 10 degrees and the polygon will have 36 sides
It is the angle that is inside the shape.
An interior angle is the inside angle of a shape e.g quadrilateral, square
Exterior angle = 360/20=18 interior angle = 180 - 18 = 162 Must be regular shape