Angle Relationships

Match the following angle relationships to their definitions.

• Two angles whose sum is 180 degrees

• Supplementary Angles

• Two angles whose sum is 90 degrees

• Adjacent Angles

• Equal and opposite angles that share a vertex in the center

• Complementary Angles

• Two angles that share a common side and have the same vertex.

• Vertical Angles

These angles are...

• Complementary
• Supplementary
• Neither

Name the angle relationship.

• adjacent
• vertical
• linear pair
• complimentary

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

_{These are Complementary angles. Find x.}

• 15
• 25
• 75
• 90

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

Supplementary angles always add up to

What kind of angles are shown?

• complementary
• supplementary
• adjacent
• corresponding

What is an example of a pair of complementary angles?

• 13° and 45°
• 10° and 170°
• 81° and 9°
• 90° and 3°

Are these angles complementary, supplementary or neither?

• complementary
• supplementary
• neither