Missing Angle Measure Triangles 180 Degrees

In a triangle, how many total degrees are there?

• 100%

• 180 degrees

• it varies

• 360 degrees

Find the measure of angle b

• 75 degrees

• 20 degrees

• 30 degrees

• 55 degrees

What is the measure of angle x?

• 83

• 114

• 17

• 31

What is the measure of x?

• 14

• 156

• 95

• 109

What is the value of the missing angle?

• 61

• 50

• 60

• 69

Solve for the missing angle with the question mark. 

• A

• B

• C

• D

Mathematical Equivalence

OFF

Match the missing angle measure to each triangle.

c

d

e

Find the measure of each missing angle. m<1 ​ (a)   m<2 ​ (b)   m<3 ​ (c)   m<4 ​ ​ (d)  

• 36

• 56

• 124

• 88

• 46

• 55

• 94

• 25

• 136

Find the missing angle measure.

• 30º

• 86º

• 94º

• 180º