Triangle Sum Theorem

What is the value of x?

• 38

• 57

• 76

• 85

A triangle has one angle that measures 75° and one angle that measures 19°. What is the measure of the third angle?

• 86°

• 94°

• 105°

• 161°

Find m∠B.

• 150°

• 67°

• 54°

• 57°

Solve for x.

• 13

• 8

• 11

• 4

What is the measure of angle b?

• 36^o

• 56^o

• 63^o

• 117^o

Find the measure of each angle indicated.

• 22

• 25

• 29

• 55

Find the measure of each angle indicated.

• 50

• 55

• 60

• 70

Find the measure of each angle indicated.

• 50

• 20

• 29

• 48

What is the measure of angle x?

• 45

• 60

• 65

• 75

Solve for x.

• 34

• 9

• 109

• 7