Angle Sum and Exterior Angle Test

Two angles of a triangle each measure 53°. What is the measure of the third angle of the triangle.

• 106°
• 74°
• 53°
• 180°

• 17°
• 31°
• 29°
• 39°

Angle c+d=?

• 90°
• 180°
• 45°
• 360°

Solve for the value of X in the picture.

• 70°
• 130°
• 260°
• 190°

When asked to find the exterior angle I use the formula _________ to solve.

• a+b+c=d
• a-b-c=d
• a+b=d
• a-b=d

• 75°
• 95°
• 70°
• 55°

The sum of the interior angles is equal to the exterior angle. True or False?

• True
• False

Two angles of a triangle add up to 120. What is the measure of the third angle.

• 115
• 60
• 30
• 180

Which of the following terms best describes Angle d? (remember that it's outside)

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

Tags

CCSS.8.G.A.5

Find the value of x by using the exterior angle theorem.

• A
• B
• C
• D

Tags

CCSS.8.G.A.5