Question

the area of the four walls in a room is 120m2. The length is twice the breadth. if the height of the room is 4m, find the area of the floor

Answer 1

i hope uuuuu got it.....☺☺☺

Answer 2

Hi ,

Let breadth of the room ( b ) = x m

Length ( l ) = 2x m

Height ( h ) = 4 m

Area of 4 walls of the room = 120 m²

2( l + b ) h = 120

2 ( 2x + x ) × 4 = 120

8 × 3x = 120

x = 120 / ( 8 × 3 )

x = 5

Therefore ,
l = 2x = 2 × 5 = 10m

b = x = 5 m

I hope this helps you.

:)