Missing Angle Measure Triangles 180 Degrees

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

Mathematical Equivalence

ON

Find the missing angle measure.

• 150º

• 180º

• 30º

• 110º

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

What is the measure of angle b?

• 36^o

• 56^o

• 63^o

• 117^o

What is the measure of angle x?

• 70

• 160

• 135

• 20

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 missing angle using the Triangle Sum Theorem.

• 25 degrees

• 137 degrees

• 43 degrees

• 34 degrees

Supplementary angles add up to equal...

• 90 degreees

• 80 degrees

• 360 degrees

• 180 degrees

Find the exterior angle, using the Exterior Angle Theorem. What is the measure of "?".

• A

• B

• C

• D