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A triangle has only 1 right angle. It only has one side that can possibly be a right angle. The type of triangle varies.
A triangle can have a maximum of 1 right angle!
A right-angle triangle will have one right-angle (90 degrees).
None. A triangle can only have one right angle.
Sum of all angles at vertices in a triangle is 180. Right angle means 90 Degree. A triangle can have only one Right angle.