Interior Sum Theorem of Triangles Check 1st Period

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

• 45°
• 90°
• 180°
• 360°

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°

What is the measure of angle BAC?

• 40
• 30
• 35
• 45

Find the measure of each angle indicated. 

• 139°
• 66°
• 138°
• 116°

What is the third angle of a triangle whose 1st angle is 79 and the 2nd angle is 43?

• 43
• 58
• 72
• 101

What is the third angle of a triangle whose 1st angle is 34 and 2nd angle is 101?

• 32
• 39
• 45
• 54