Classifying Triangles

You can classify triangles by their sides and angles. Here is how to classify triangles by their sides. A scalene triangle have no equal sides, an isosceles triangle have two equal sides, and the equilateral triangle, all of its sides are equal. Now here is how to classify triangles by their angles. An acute triangle has all of the angles under 90 degrees, a right triangle with only one right angle, and a obtuse triangle has all of the angles over 90 degrees.