Straight angle, which is 180 degree, obtuse angle, which is 179 degree to 91 degree, right angle, which is 90 degree, and acute angle, which is 89 degree to 1 degree.
depends on what triangle you are talking about .The three angles in a triangle can be anything you want. Two of the three can be equal, all three can be equal, or they can all be different if that's...