Triangle Quiz

What is the third angle for the triangle where angle1 = 45° and angle2 = 45°?

If a triangle has an angle of 90 degrees, what is it called?

What is the third angle for the triangle where angle1 = 60° and angle2 = 20°?

What is the third angle for the triangle where angle1 = 80° and angle2 = 50°?

What is the third angle for the triangle where angle1 = 50° and angle2 = 100°?