Angle Pairs

What are complementary angles?

• Angles that add up to 180°.

• Angles opposite each other when 2 lines intersect.

• Angles that share a side and a vertex.

• Angles that add up to 90°.

What defines supplementary angles?

• Angles that share a common vertex and side.

• Angles that add up to 180°.

• Angles that are opposite each other when 2 lines intersect.

• Angles that add up to 90°.

What are vertical angles?

• The angles opposite each other when 2 lines intersect.

• Angles that add up to 90°.

• Angles that add up to 180°.

• Angles that are next to each other.

What does it mean for angles to be adjacent?

• Angles that share a side and a vertex.

• Angles that add up to 90°.

• Angles that add up to 180°.

• The angles opposite each other when 2 lines intersect.

Which of the following is NOT a characteristic of complementary angles?

• May or may not be adjacent.

• Add up to 90°.

• Are always adjacent.

• Can be part of a right angle.