1.

92 The two interior opposite angle of anexterior angle of a triangle LM are 60°and800. find the measure of the exterior.angle.​

Answer»

Answer:

140°.

Step-by-step explanation:

GIVEN that two INTERIOR opposite angles of the EXTERIOR angle of a triangle is 60 DEGREE and 80 degree. Measure of exterior angle is equal to sum of two interior opposite angle. Hence, measure of exterior angle will be 60°+80° = 140°. 



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