Measuring Angles

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.

Find the missing angle.

• 60°
• 70°
• 50°
• 140

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

• x = 118
• x = 108
• x = 28
• x = 58

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

What it the measurement for angle 1?

• 140^o

• 180^o

• 40^o

• 160^o

• a.30

• b.60

• c.90

• d.120

• It is impossible to tell because they can be any number.

When 2 parallel lines are cut by a transversal, which angle pairs produce congruent angles? Select all that apply

• Alternate Interior and Alternate Exterior

• Same Side Interior and Same Side Exterior

• Corresponding

• Adjacent/Supplementary

• Vertical