Question

The length of a room is 12 m and its width is 8 m. The sum of the area of the floor and the ceiling
equal to the sum of the four walls of the room. Find the height of the room.
​

Answer 1

Answer:

7.2m

Step-by-step explanation:

Let the height of the hall be h metres

We have, l=18m and b=12m

Now,

Sum of the areas of the floor and roof = Sum of the areas of four walls

2lb=2(l+b)h

lb=(l+b)h⇒ h=

l+b

lb

=

18+12

18×12

=7.2m

Answer 2

Answer:

4.8 m is the height

Step-by-step explanation:

Hope it helps!

:)