A triangle with a 90° angle is called a "right triangle."
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It is a right triangle or right-angled triangle. The right-angle is 90 degrees.
Acute Triangle - All of the angles are under 90 degrees. Right Triangle - One angle is 90 degrees Obtuse Triangle - A triangle that has one angle greater than 90 degrees.
Yes.The definition of every triangle-Right triangle---A triangle that has one right angle(90 degrees).-Obtuse triangle---A triangle that has one obtuse angle(greater than 90 degrees).-Acute triangle---A triangle that has all acute angles(less than 90 degrees).
A triangle with a 90 degree angle and two acute angles is a right angle triangle.
Acute Triangle - All of the angles are under 90 degrees. Right Triangle - One angle is 90 degrees Obtuse Triangle - A triangle that has one angle greater than 90 degrees