Question

two angles of a triangle are equal and the third angle measure is 80 degree find the measure of each of the unknown angle​

Answer 1

let two equal angles be x

By angle sum propr of triangle

x+x+80=180

2x=100

x=50

Measure of two equal angles will be 50 degree means each equal angle will be 50 degree.

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Answer 2

Let the two equal angles be x.

Sum of the angles of the triangle= 180°

ATQ.

2x+ 80° = 180°

or 2x = 180° - 80°

or 2x = 100°

or x = 100°/2

or x = 50°

So the other two angles are 50° each...

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