Complementary and Supplementary Angles

Are two angles that measure 110° and 70° complementary or supplementary?

• Complementary

• Supplementary

• Adjacent

• Vertical

If one angle measures 150°, what is the measure of its supplementary angle?

• 30°

• 60°

• 90°

• 120°

If two angles are neither complementary nor supplementary, what can we say about their sum?

• Their sum is 90°.

• Their sum is 180°.

• Their sum is not 90° or 180°.

• Their sum is always greater than 180°.

If one angle measures 40°, what is the measure of its complementary angle?

• 30°

• 50°

• 60°

• 70°

What is an example of supplementary angles?

• 90° and 90°

• 120° and 60°

• 45° and 135°

• 100° and 80°

What is the relationship between two angles that add up to 180°?

• They are complementary.

• They are vertical angles.

• They are supplementary.

• They are adjacent angles.

Are two angles that measure 30° and 60° complementary or supplementary?

• Complementary.

• Supplementary.

• Neither.

• Adjacent.

What do you call angles that are opposite each other when two lines intersect?

• Adjacent angles

• Complementary angles

• Vertical angles

• Supplementary angles

What are supplementary angles?

• Angles that add up to 90°.

• Angles that add up to 180°.

• Angles that are adjacent to each other.

• Angles that are equal in measure.

What are complementary angles?

• Angles that add up to 90°.

• Angles that add up to 180°.

• Angles that are equal in measure.

• Angles that are adjacent to each other.