Flashcardziz Triangle Sum Theorem

Front

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______.

Back

180°

Front

Find the measure of the indicated angle if one angle is 90° and another is 98°. What is the third angle?

Back

82°

Front

Find the measure of the indicated angle if one angle is 56° and another is 118°. What is the third angle?

Back

62°

Front

Find the measure of the indicated angle if one angle is 45° and another is 123°. What is the third angle?

Back

33°

Front

Find the measure of the missing angle if one angle is 90° and another is 50°. What is the third angle?

Back

50°

Front

What is the formula to find the measure of the third angle in a triangle?

Back

Third angle = 180° - (Angle 1 + Angle 2)

Front

If two angles of a triangle are 70° and 40°, what is the measure of the third angle?

Back

70°

Front

In a triangle, if one angle measures 30°, what is the sum of the other two angles?

Back

150°

Front

What is the relationship between the angles in a right triangle?

Back

One angle is 90°, and the sum of the other two angles is 90°.

Front

If a triangle has angles measuring 50° and 60°, what is the measure of the third angle?

Back

70°