Triangle Sum and Exterior Theorem

Find the measure of the angle indicated. 

• 139°
• 66°
• 138°
• 116°

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Which of the following terms best describes Angle d?

• Remote interior angle
• Corresponding angle
• Exterior angle
• Interior angle

Which of the following terms best describes Angle d?

• Remote interior angle
• Corresponding angle
• Exterior angle
• Interior angle

What is the measure of angle a?

• 36^o

• 56^o

• 63^o

• 117^o

Find the measure of the indicated angle.

Find the value of k.

Find the ?

Find the value of x.

• A
• B
• C
• D

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°
• 90°
• 180°
• 360°