Complementary & Supplementary Angles

What kind of angles are shown?

• complementary

• supplementary

• adjacent

• corresponding

∠1 and ∠3 can best be described as -

• complementary angles

• supplementary angles

• vertical angles

• adjacent angles

Find the value of x.

• 14

• 60

• 35

• 180

What is an example of a pair of complementary angles?

• 13° and 45°

• 10° and 170°

• 81° and 9°

• 90° and 3°

Find the value of x.

• 15

• 16

• 18

• 19

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=25

• Complementary; x=5

• Supplementary; x=25

• Supplementary; x=5

Find the missing angle.

• 60°

• 70°

• 50°

• 140

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 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 vertical angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that add up to 360°

• Angles that are opposite of each other when lines intersect and are equal