Triangle Sum Theorem

Front

What does the Triangle Sum Theorem state?

Back

The Triangle Sum Theorem states that the sum of all angles in a triangle is 180°.

Front

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

Back

60°

Front

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

Back

58°

Front

Find the value of k if the angles in a triangle are k, 90°, and 22°.

Back

22°

Front

What is the sum of the angles in any triangle?

Back

180°

Front

If one angle of a triangle is 90°, what type of triangle is it?

Back

It is a right triangle.

Front

What is the measure of the third angle if the first angle is 30° and the second angle is 60°?

Back

90°

Front

If the angles of a triangle are in the ratio 2:3:4, what is the measure of the largest angle?

Back

The largest angle is 80°.

Front

What is the measure of an angle if the other two angles in the triangle are 45° and 45°?

Back

90°

Front

If one angle of a triangle is 22° and the other is 114°, what is the third angle?

Back

44°.