The surface area of a solid is the sum of the areas of all its outer surfaces (faces).
Which of the following option is correct? S1 : Total surface area of a cuboid is the sum of areas of 4 faces excluding top and bottom faces.
S2 : Lateral surface area of a cuboid is the sum of areas of 4 faces excluding top and bottom faces.
S3 : Area of a face of a cuboid is of the form xy, where x and y are its length and breadth respectively.