Angle Relationships

What are supplementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect

What are complementary angles?

• Angles that add up to 180°
• Angles that add up to 90°
• Angles that are equal to each other
• Angles that are opposite of each other when lines intersect.

What are vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

What type of angle is shown?

• acute
• obtuse
• right 
• straight

What type of angle is shown?

• acute
• obtuse
• right
• straight

What type of angle is shown?

• acute
• obtuse
• right
• straight

What is the relationship of the angle pair?

• vertical

• supplementary

• adjacent

• complementary

The angle relationship shown is -

• complementary angles
• supplementary angles
• vertical angles
• angle bisector

∠1 and ∠3 can best be described as -

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5