On the basis of the length of the sides we ensure that a triangle is isosceles or scalene or equilateral.
Scalene triangle is a triangle in which all sides are unequal.
Isosceles triangle is a triangle in in which two sides are equal and one side is unequal.
Equilateral triangle is a triangle in which all sides are equal.
There are some different types more Triangles also.
Right angle triangle is a triangle in which one angle of a triangle is right angled means 90 degree.
Obtuse angled triangle is a triangle in which one angle of a triangle is more than 90 degree or obtused angle.
Acute angle triangle is a triangle in which one angle of a triangle is less than 90 degree means it is acute angle..
The triangle in the given figure is isosceles triangle because the two sides of that triangle are equal 5 cm