Q13 of 77 Page 21

Show that the product of the areas of the floor and two adjacent walls of a cuboid is the square of its volume.

Given,


Let length of cuboid =


Let breadth of cuboid = b cm


Let height of cuboid = h cm


So,


Area of floor =


Product of areas of two adjacent walls =


Product of areas of floor and two adjacent walls =


=


=


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The perimeter of a floor of a room is 30 m and its height is 3 m. Find the area of four walls of the room.

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