Question

. A room has length 4 m, breadth 3 m and height 3 m. How much paper of width 25 cm will be required to cover the four walls of
the room?
​

Answer 1

Answer:

area of four wall=2(l+b)h

area of four walls of room=2(4+3)3=42m^

width=25/100m

length=42×100/25=168m