Sum of Interior Angles

In a triangle, how many total degrees are there?

• 100%
• 180 degrees
• it varies
• 360 degrees

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80
• 100
• 60
• 90

Find the missing angle.

• 29° 
• 39° 
• 49° 
• 59° 

Find the measure of angle D.

• 140 degrees
• 16 degrees
• 40 degrees
• 90 degrees

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Find the measure of the indicated angle. 

• 26
• 36
• 85
• 144

What is the measure of the unlabeled angle of the triangle?

• 90*
• 82*
• 98*
• 75*

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Find the measure of the missing angle.

• 8^o
• 58^o
• 122^o
• 64^o

Find the measure of the missing angle.

• 30^o
• 110^o
• 150^o
• 40^o