8R Support - Complementary and Supplementary 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

If ∠A and ∠B are supplementary, and the measure of ∠A is 120°, what is the measure of ∠B?

Back

60°.

Front

If ∠H and ∠J are complementary, and the measure of ∠H is 35°, what is the measure of ∠J?

Back

55°.

Front

What kind of angles are shown if they add up to 180°?

Back

Supplementary angles.

Front

What kind of angles are shown if they add up to 90°?

Back

Complementary angles.

Front

If two angles are adjacent and their measures add up to 90°, what are they called?

Back

Complementary angles.

Front

If two angles are adjacent and their measures add up to 180°, what are they called?

Back

Supplementary angles.

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°.