The height of a room is 5 m and capacity is 500 cu. m if the room is a square, then how much paper of tow metre width is required to cover the walls?

1) 120 m
2) 90 m
3) 100 m
4) 60 m

• 100 m
  
  side of square room = root (500/5) = 10 m
  area of 4 walls = 10*5*4=200 sq m
  width of paper = 2 m
  length of paper reqd= 200/2=100m
• 11 years agoHelpfull: Yes(0) No(1)