Angles in Triangles Find Missing Value

Find the missing angle

• 17

• 27

• 37

• 47

Find the measure of each angle indicated. 

• 140°

• 21°

• 105°

• 25°

What is the measure of angle x?

• 70

• 160

• 135

• 20

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

Which of the following angles can you add together to equal angle d? 

• Angle a and Angle b

• Angle b and Angle c

• Angle a and Angle c

• Angle a and Angle b and Angle c

In a triangle, how many total degrees are there?

• 100%

• 180 degrees

• it varies

• 360 degrees

Find the missing angle using the Triangle Sum Theorem.

• 25 degrees

• 137 degrees

• 43 degrees

• 34 degrees

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

Find the measure of x in degrees using the Exterior Angle Theorem.

• 40

• 54

• 60

• 42