A right angle
A triangle with a 90° angle is called a "right triangle."
An angle of 90 degrees is called a right angle.
It is a right angle of 90 degrees
An angle that is exactly 90 degrees is called a right angle.
An angle of 90 degrees is a right angle.
An angle which measures 90 degrees is called a right angle. An angle of less than 90 degrees is an acute angle and one which is more than 90 degrees is an obtuse angle.
An angle of 90 degrees is normally called a right angle.An angle of 90 degrees is a right angle
A 90-degree angle is commonly called a right angle.
It is a right triangle or right-angled triangle. The right-angle is 90 degrees.
An angle which measure exactly 90 degrees is called a right angle.
90% of what? Maybe 90 degrees? That is called a right angle.
A 90-degree angle is a right angle.