Question

one of the exterior angle of a triangle is 80degree and the interior opposite angles are equal .what is the measure of each of these two angles?​

Answer 1

Answer:

40°

Step-by-step explanation:

We know that,

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:

Let the measures of the interior opposite angle be x.

The both interior opposite angles measure the same so it will be 2x.

Then, 2x=80°

x=80/2

x=40°

So the measures of both the interior opposite angle is 40° and 40°

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Answer 2

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