Question

the area of the 4walls of a room is 77m square .The length and breadth of the room are 7.5m and 3.5 m respectively. Find the height of the room

Answer 1

the height of the room is 3.5m

Answer 2

area of four walls=77. Let h be its height then ATQ 7.5×h + 3.5×h + 7.5×h + 3.5×h=77
22h=77 so h=77/22=7/2=3.5 m