Angle Sum and Exterior Angle Theorem

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80

• 100

• 60

• 90

Find the measure of the indicated angle. 

• 26

• 36

• 85

• 144

A student is trying to construct triangles using four different sets of angles. The angles in each set are given below. Which set will form a triangle?

• 45°, 65°, 70°

• 150°, 110°, 100°

• 50°, 50°, 50°

• 90°, 90°, 90°

Which of the following terms best describes Angle d? 

• Remote interior angle

• Corresponding angle

• Exterior angle

• Interior angle

Find the indicated angle. (What is ?)

• 91°

• 81°

• 89°

• 109°

Which of the following terms best describes Angle d?

• Remote interior angle

• Corresponding angle

• Exterior angle

• Interior angle

What is the measure of angle b?

• 36^o

• 56^o

• 63^o

• 117^o

Solve for x

• 70

• 23

• 120

• 130

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

• A

• B

• C

• D