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External angle and internal angle of a same polygon form a pair of linear angle together.(a) True(b) FalseThe question was asked at a job interview.This is a very interesting question from Sum of Measures of the Exterior Angles of a Polygon in portion Quadrilaterals of Mathematics – Class 8

Answer»

Correct answer is (a) True

To EXPLAIN I would say: External angle of any polygon can be seen when the SIDE of the polygon is extended and HENCE the external angle and the internal angle form a pair of linear angle. The sum of these two angles is ALWAYS EQUAL to 180°. They are also known as straight angles.



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