Question

Two of the angles in a triangle measure 57º and 25°. What must be the measure of the

Answer 1

The measure of the third angle in the triangle is 104 degrees

How to determine the measure of the third angles?

Let the three angles in the triangle be x, y and z.

Such that:

x = 51

y = 25

The sum of angles in a triangle is 180 degrees.

So, we have:

x + y  + z = 180

Substitute known values

51 + 25 + z = 180

Evaluate the sum

76 + z = 180

Subtract 76 from both sides

z = 104

Hence, the measure of the third angle is 104 degrees

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