Triangle Sum Theorem

What does the Triangle Sum Theorem state?

If one angle of a triangle is 60° and another is 90°, what is the measure of the third angle?

What is the measure of the third angle in a triangle with angles measuring 79° and 43°?

Find x if the angles of a triangle are x, 60°, and 90°. What is x?

If two angles of a triangle are 45° and 75°, what is the measure of the third angle?

What is the sum of the angles in any triangle?

If one angle of a triangle is 50° and the other is 60°, what is the measure of the third angle?

What is the measure of an angle in a triangle if the other two angles are 85° and 95°?

If a triangle has angles measuring 30°, 60°, and x°, what is x?

In a triangle, if one angle is 45° and the other is 45°, what is the measure of the third angle?