If it's a scalene then yes. one. otherwise no.
Except an isosceles triangle can also have a right angle between the sides of equal length; the equal angles then being 45o each.
A triangle can have at most one right angle.
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0. A right triangle, by definition, will never include any obtuse angles.
A triangle can never have three right angles
In a right angled triangle the two other angles are acute.
In a right angled triangle the two other angles are acute.
A triangle with one right angle and two acute angles is called a right triangle. In a right triangle, one of the angles measures 90 degrees, making it a right angle, while the other two angles are acute, meaning they measure less than 90 degrees each. The Pythagorean theorem can be applied to solve for the lengths of the sides of a right triangle.