Question

The area of the 4 walls of a room is 77m2 . The length and breadth of the room are 7:5 m and 3:5 m respectively . Find the height of the room

Answer 1

Step-by-step explanation:

Area of four walls of room=77m square

Length of room=7.5m

Breadth of room=3.5m

Also, area of four walls of room=2(l+b)×h

77=2(7.5+3.5)×h

77=2h(11.0)×h

77=22×h

h=3.5m

Hence, Area of room is 3.5m.

Answer 2

Area of four walls of room = 77msquare

Length of room = 7.5m

Breadth of room = 3.5m

Now area of four walls of room = 2(l+b)*h

77= 2(7 .5+3.5)*h

77=2(11)*h

77=22*h

h=3.5