ICSE Class 9 - Surface Area of a Cube and Cuboid Videos

• fight the total surface area of a cuboid if its diameter is 16×14×20
• A cistern 6m long ,4mwide, contains water to a depth of 1m 25m , find the area of the wet surface.  
• the sum of length breadth and height of a cuboid is 38cm and the length of its diagonal is 22cm find the surface area of cuboid
• what is meant by surface area? Can someone explain me in detail please........
• The cost of papering the four wall of a room at 75 paise per square meter is ₹ 240 .The height of the room is 5 meter. Find the length and the breadth of the room, if they are in ratio 5:3.

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