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Mathematics CBSE
Class 7
Triangle and its properties
Exterior angles of a triangle
1.
Exterior angle of a polygon
Theory:
The
Exterior Angle
is the angle between any side of the shape, and a line extended from the next side.
Important!
Adding interior and exterior angles will result in \(180°\). That is, we get a straight line.
Interior and exterior angles are supplementary.
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