Interior and Exterior Angles of a Triangle

• 33

• 53

• 90

• 213

Select ALL that are true.

• The third angle in the triangle measures 69 degrees.

• x = 69

• x = 111

• x equals 75 plus 36

The three angles of a triangle measure x, 2x, and 6x. What is the value of x?

• 9

• 20

• 40

• 90

Which can be used to find the sum of the measures of the interior angles of any polygon?

• n x 180, where n is the number of sides

• (n-2) x 180 where n is the number of sides

• The sum is always 180.

• The sum is always 360.

Which of the following terms best describes Angle d?

• Remote interior angle

• Corresponding angle

• Exterior angle

• Interior angle

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

What is the measure of angle x?

• 45

• 60

• 65

• 75

Which of the following terms best describes Angle d?

• Remote interior angle

• Corresponding angle

• Exterior angle

• Interior angle

Find the measure of the indicated angle. 

• 95

• 85

• 35

• 45

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o