Sum of Interior and Exterior Angles of a Triangle

Solve for x.

• 16

• 11

• 50

• 6

In a triangle, how many total degrees are there?

• 100%

• 180 degrees

• it varies

• 360 degrees

Find the measure of each angle indicated. 

• 139°

• 66°

• 138°

• 116°

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

• 45°

• 90°

• 180°

• 360°

Find the sum of the measures of the marked angles

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The sum of the interior angles in a triangle is ...

• 360 degrees

• 180 degrees

• 90 degrees

• 540 degrees

• A) 80°

• B) 90°

• C) 180°

• D) 260°

Solve for x.

• 63.2

• 116.8

• 135.7

• 45.3

Tags

TEKS.MATH.8.8D

What do the interior angles in a triangle have a sum of?

• 180

• 90

• 360

• 270

Find the value of the unknown.

• 132°

• 109°

• 23°

• 48°