A right triangle has a right angle (thus called a right triangle), 90 degrees
right angle triangle
A right-angle triangle.
A right-angle triangle must have one corner of 90 degrees.
If you mean angles then it is a right angle triangle or an isosceles right angle triangle
A right triangle has a right angle (thus called a right triangle), 90 degrees
That would be a right triangle. Any triangle that has a right angle in it is a right triangle.
If one angle is a right angle, it is a right triangle. If one angle is an obtuse angle, it is an obtuse triangle. If there are no right nor obtuse angle then it is an acute triangle.
right angle triangle
A right-angle triangle.
A right-angle triangle must have one corner of 90 degrees.
an equaladderal triangle
If you mean angles then it is a right angle triangle or an isosceles right angle triangle
A right triangle. (This is a joke.) A right triangle is one that has a 90o angle.
right triangle ( triangles with a right angle)
Your question contains the answer. It is a 'right' triangle.
an isosceles right triangle