The length of a room is 2times its breadth and 5times its height.if the volume of the room 800metre cube. find the cost of papering its wall at RS6permetre square
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7
Answer:
1440
Step-by-step explanation:
Given---> Length of a room is twice its breadth and five times its height and volume of room is 800 m³ and cost of papering wall is Rs 6 / m²
To find ---> Total cost of papering the wall of the room.
Solution---> 1) plzzz refer the attachment
2) First we find value of length , breadth and height by using volume of room
Volume = length× breadth × height
3) Then we find area of four walls by using
Area of four walls = 2 ( l + b )× h
4) Then we find cost of papering the walls by multiplying area of four walls by cost of papering per m²
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1440
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