Angle Addition, Complementary and Supplementary

What are complementary angles?

• Two angles that add up to 90 degrees

• Two angles that add up to 180 degrees

• Two angles that create a straight line

• Two angles that share a side and vertex

What are Supplementary angles?

• Two angles that add up to 90 degrees

• Two angles that add up to 180 degrees

• Two angles that create a straight line

• Two angles that share a side and vertex

Find the measure of angle b

• $53\degree$

• $27\degree$

• $55\degree$

• $42\degree$

Find the measure of angle b

• $39\degree$

• $44\degree$

• $55\degree$

• $42\degree$

Find the value of x.

• 12

• 15

• 30

• 45

What is the value of angle b?

• $110\degree$

• $100\degree$

• $44\degree$

• $15\degree$

• $-55\degree$

• $72\degree$

• $100\degree$

• $48\degree$