Scalene : 1 Mark
Equilateral : 0.5 Mark
Isoceles : 0.5 Mark
Three types of triangles categorized by sides are:
(i) If the three types of triangles have unequal length, the triangle is called a Scalene triangle.
(ii) If two out of three sides are equal in length, it's called an Isoceles triangle.
(iii) If all three sides of a triangle are equal in length, it's called an Equilateral triangle.