Nov 24, 2007 #1 prinsinn Messages 10 Reaction score 0 Triangle has three angles but what do you call it when it has just two angles like in a sphere.
Nov 24, 2007 #2 mgb_phys Science Advisor Homework Helper Messages 7,901 Reaction score 15 Only a triangle on a sphere with 2 right angles and a 180 degree internal angle would have just 2 angles. It would thne be a quarter sphere - but I don't think it has any special name.
Only a triangle on a sphere with 2 right angles and a 180 degree internal angle would have just 2 angles. It would thne be a quarter sphere - but I don't think it has any special name.