Exterior Angle Sum of Triangles

Find the indicated angle. (What is ?)

• 91°

• 81°

• 89°

• 109°

Find x.

• 75 degrees

• 45 degrees

• 63 degrees

• 85 degrees

Which two angles are the interior angles to exterior Angle W?

• Angle X and Angle Y

• Angle X and Angle Z

• Angle Y and Angle Z

• Angle Z and Angle W

What is the measure of angle b?

• 36^o

• 56^o

• 63^o

• 117^o

Use the Exterior Angle Theorem to find the value of x.

• 1.5

• 4.3

• 7

9

• 180

• 231

• 309

• 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

Which of the following angles are remote interior angles to 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

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

• A

• B

• C

• D