Question

The two interior opposite angles of an exterior angle of a triangle is 60 degree and 80 degree find the measure of the exterior angle

Answer 1

See.
First opposite angle is 60 degree.
Second opposite angle is 80 degree.
Exterior angle = First and Second oppo. angle
Exterior angle = 60+ 80
Exterior angle = 140 degree
Henced Exterior Angle is 140 degree.
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Answer 2

Dear Student,

● Answer -

Measure of exterior angle = 140°

◆ 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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