One
Chat with our AI personalities
Sum of all angles at vertices in a triangle is 180. Right angle means 90 Degree. A triangle can have only one Right angle.
An obtuse triangle can have no right angles, and has two equal angles.
A right triangle can have 2 equal angles if they are each 45° (any other right triangle will have no equal angles)
There are 2 acute angles with one 90 degree angle and the 3 angles add up to 180 degrees
No right triangle can have any obtuse angles inside it.