Triangles

• A
• B
• C
• D

• A
• B
• C
• D

What do the angles in an equilateral triangle measure?

• 30, 60, 90
• 45, 45, 90
• 60, 60, 60
• 35, 55, 90

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

• 45°
• 90°
• 180°
• 360°

The Triangle Sum Theorem deals with _______ of a triangle

• angles
• sides

Find the measure of each angle indicated. 

• 33°
• 136°
• 36°
• 31°

Find the measure of each angle indicated. 

• 140°
• 21°
• 105°
• 25°

Solve for x.

• 16
• 11
• 50
• 6

Solve for x.

• -12
• -8
• -10
• -5

What is the value of x?

• 15
• 9
• 12
• 11