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VC6. Find the lateral surface area of a cuboid whose dimensions are 16 cm x 11.5 cm x 2.8 cm.7. The perimeter of floor of a room is 42 m and its height is 4 m. Find the area of the wall paper tobe pasted on its four walls.8. Find the total and lateral surface area of a cube whose edge is 1.2 m long.9. Three cubes each of side 5 cm are joined end to end. Find the surface area of the resultingcuboid.10. A cuboid has total surface area 4048 cm and lateral surface area is 253 cm?. Find the area of itsbase.11. Find the area of the cardboard required to make an open box of length 28 cm, breadth 2 cm andheight 3.6 cm.12. An aquarium is in the form of a cuboid whose external measures are 80 cm x 30 cm x 40 cm. Thebottom, side faces and back face are to be covered with a coloured paper. Find the area of thepaper needed ? |
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