Question

The area of 4 walls of a room is 54m² and its perimeter is 18m then the height of the room is ​

Answer 1

Perimeter of rectangle =2(l+b)

18=2(l+b)

Then,

Area of four walls =2(l+b) *h

Area of four walls=18*3

Area of four walls =54m²

Answer 2

Perimeter of rectangle =2(l+b)

18=2(l+b)

Then,

Area of four walls =2(l+b) *h

Area of four walls=18*3

Area of four walls =54m²