Question

The two interior opposite angles of an exterior angle of a triangle are 30degree and 40degree Find the measure of exterior angle

Answer 1

Answer:

140°

Step-by-step explanation:

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Answer 2

Given - Interior angles

Find - Measure of exterior angle

Solution - As per the exterior angle property, sum of interior opposite angles of triangle = exterior angle of triangle.

Keep the values in formula to find the exterior angle of triangle.

Exterior angle of triangle = 30 + 40

Performing addition

Exterior angle of triangle = 70°

Hence, the measure of exterior angle of triangle is 70°.