1.

An exterior angle of a triangle is 80° and the interior opposite angles are equal, then the measures of interior opposite angles are

Answer»

Step-by-step explanation:

SUM of the measures of the INTERIOR opposite angles= The measure of the exterior ANGLE. So, if the exterior angle measures 80° and both the interior angles have the same measure, then, measure of the interior opposite angles is: ... The both interior opposite angles measure the same so it will be 2X



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