Exterior Angle Theorem Bellringer

In a triangle, what is the sum of the measures of the interior angles?

• 100%
• 180 degrees
• it varies
• 360 degrees

Which of the following terms best describes Angle d?

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

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

Which two angles are the remote interior angles to 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 x?

• 101°

• 111°

• 121°

• 131°

Find the indicated angle. (What is ?)

• 91°

• 81°

• 89°

• 109°

Find the indicated angle measure (What is ?)

• 85

• 78

• 95

• 110

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