90 Degree and 180 Degree Angles

A triangle's angles add up to...

• 90 Degrees

• 180 Degrees

• 360 Degrees

• OVER 9000 Degrees

What are complementary angles?

• Angles that like each other and give each other compliments

• 
  The angles inside the triangle that are not adjacent to the exterior angle

• 
  Two angles whose sum measures  90 degrees

• 
  Two angles whose sum measures 180 degrees.

Find the missing angle.

• 60°

• 70°

• 50°

• 140

Supplementary Angles add up to be ______-degrees

• 270

• 180

• 90

• 120

Complementary Angles are two angles that add up to equal _____-degrees

• 180

• 90

• 270

• 120

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°

• 90°

• 180°

• 360°

An angle that is exactly 90 degrees.

• right

• acute

• obtuse

• straight

Find the measure of the indicated angle. 

• 95

• 85

• 35

• 45