Question

prove exterior angle theorem of the triangle​

Answer 1

Answer:

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Step-by-step explanation:

The measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles of the triangle. Definition of linear pair. If two angles form a linear pair, they are supplementary.

Answer 2

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Exterior Angle Theorem

The exterior angle theorem states that if a triangle’s side gets an extension, then the resultant exterior angle would be equal to the sum of the two opposite interior angles of the triangle.