the length,breadth and height of a room 5m,3.5m and 3.4m respectively. Inside the room all the four walls are to be covered with printed coloured wallpaper. Find the total cost of the wall paper required,if the cost of the wallpaper is Rs.8m.per meter squared.
Answers
Answered by
0
Answer:
Area of 4 walls means, lateral surface area
Lateral surface area. = 2(lh+bh)
= 2(5*3.4 + 3.5*3.4)
= 2(17 + 11.9)
= 2 * 28.9
(also area of wallpaper) = 57.8 sq. m
Then, cost of wallpaper = Area * Rate
= 57.8 * 8
= ₹462.40
Similar questions