Angle Review

Front

What is the sum of the angles in a triangle?

Back

180 Degrees

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

If one angle measures 120°, what is the measure of its supplementary angle?

Back

60°

Front

If two angles are complementary and one measures 30°, what is the measure of the other angle?

Back

60°

Front

Which of the following sets of angles can form a triangle? 120°, 50°, 20°; 100°, 200°, 60°; 30°, 50°, 80°; 40°, 50°, 90°?

Back

40°, 50°, 90° (D) can form a triangle.

Front

What is the measure of the missing angle if two angles measure 47° and 53°?

Back

The missing angle is 80°.

Front

What is the measure of the missing angle if one angle measures 139°?

Back

The missing angle is 41°.

Front

What is the relationship between angles 1 and 7 if they are supplementary?

Back

Angle 1 + Angle 7 = 180°.

Front

What is the measure of angle 2 if angle 3 measures 90° and they are complementary?

Back

Angle 2 measures 0°.