Finding the Missing Angles in Triangle

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

Find the missing angle in the triangle.

• 65 degrees

• 180 degrees

• 115 degrees

Find the measure of the angle indicated.

• 139°

• 66°

• 138°

• 116°

If all three angles are exactly the same measure, how big is each angle?

Hint: x + x + x = 180

• 180 degrees

• 90 degrees

• 50 degrees

• 60 degrees

Find the measure of the indicated angle. Type only the number for your answer.

Mathematical Equivalence

ON

Mathematical Equivalence

OFF

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 measure of each missing angle.

m<1 ​ (a)   m<2 ​ (b)   m<3 ​ (c)   m<4 ​ (d)  

• 35

• 145

• 55

• 125

• 120

• 40

• 36

• 132

• 64

Find all missing angles.

m∠1 ​ (a)   m∠2 ​ (b)  

m∠3​ (c)   m∠4 ​ (d)  

• 51

• 18

• 123

• 39

• 22

• 130

• 98

• 44

• 35

What is the value of the missing angle?

• 61

• 50

• 60

• 69