Angle Relationships, Complementary, Supplementary, Triangle Sum Theorem

Determine the measure of the unknown angle in the triangle.

Which equation would you use to find x?

• 2x = 44

• 2x + 44 = 90

• 2x + 44 = 180

Solve for x

• 30°

• 40°

• 50°

• 60°

Find the measure of the indicated angle. 

• 34°

• 46°

• 62°

• 36°

Find the measure of the indicated angle. 

• 95°

• 85°

• 35°

• 45°

Find the measure of angle A.

• 75^o

• 60^o

• 30^o

• 38^o

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

• 45°

• 90°

• 180°

• 360°

Find the measure of x in degrees.

• 21

• 132

• 153

• 27

Supplementary angles add up to equal...

• 90 degreees

• 80 degrees

• 360 degrees

• 180 degrees

What is the measure of angle b?

• 36^o

• 56^o

• 63^o

• 117^o