Period 8 Complementary, Supplementary and Vertical Angles

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What is the measure of angle B if it is 100°?

Back

100°.

Front

Find the value of x if x + 70° = 90°.

Back

x = 20°.

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal.

Front

If two angles are supplementary and one angle measures 80°, what is the measure of the other angle?

Back

100°.

Front

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

Back

60°.

Front

What is the sum of the measures of two complementary angles?

Back

90°.

Front

What is the sum of the measures of two supplementary angles?

Back

180°.

Front

If angle A is 45°, what is the measure of its vertical angle?

Back

45°.