Equilateral triangle. The Equilateral triangle shown on the left has three equal sides and three equal angles. ... Isosceles triangle. The Isosceles triangle shown on the left has two equal sides and two equal angles.Scalene Triangle. The Scalene Triangle has no congruent sides. ... Acute Triangle. ... Obtuse Triangle.

If a triangle doesn't have two or three equal angles, it could have zero equal angles. These triangles, which also don't have any equal sides, are known as scalene triangles. Can you believe that there are three different types of triangles? But wait…there's more!

It has no equal sides so it is a scalene right angled triangle. Footnote : a scalene right-angled triangle has one right angle ( 90∘ ), two other unequal angles and no equal sides.Mar 28, 2017