Question

the length,breadth and height of a room are 5m,4m,3m respectively find the cost of white washing for four walls of the room as per cost Rs. 7per m2​

Answer 1

Step-by-step explanation:

Area of four wall = 2xh(l+b)

2x3(5+4)

6x9

54

area of four wall = 54 m sq

cost = 54x7=Rs 378