Sum of Triangle Theorem and Exterior Angle Theorem

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

• A

• B

• C

• D

What is the measure of angle b?

• 36^o

• 56^o

• 63^o

• 117^o

What is the measure of angle a?

• 36^o

• 56^o

• 63^o

• 117^o

Solve for the unknown angle.

• 49

• 58

• 70

• 94

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

Find the measure of the missing angle.

• 30^o

• 110^o

• 150^o

• 40^o

True or False:

Every triangle that can be drawn has angles that add up to exactly 180 degrees.

EVERY TRIANGLE...EVER DRAWN

• True

• False

• What is a triangle?

• How should I know? I have not drawn every triangle possible so I can not answer this question!

Solve for x.

• 8

• -10

• -7

• 6

Which of the following terms best describes Angle a?

• Remote interior angle

• Corresponding angle

• Exterior angle

• Obtuse angle

Solve for x.

• 5

• 12

• -7

• -6