Triangles Theorums

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°

Find the measure of each angle indicated. 

• 139°
• 66°
• 138°
• 116°

Find the measure of each angle indicated. 

• 50°
• 35°
• 100°
• 55°

Find the measure of each angle indicated. 

• 40°
• 33°
• 30°
• 29°

Find the measure of the angle indicated. 

• 139°
• 66°
• 138°
• 116°

Find the measure of the indicated angle. 

• 26
• 36
• 85
• 144