The two interior opposite angles of an exterior angle of a triangle are 60º and 80º. Find the measure of the exterior angle. *
20
100
140
120
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0
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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15
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