Question

the area of four walls of a room is 960 sq.m.If the length of the room is thrice it's breadth and height is 8m,find area of floor.

Answer 1

Area of four walls =960sq.m
Therefore area of one wall=960/4=240sq.m
the walls of the room is in the form of a rectangle. Therefore area of the rectangular room =length x breadth
lxb=240 Sq.m
l=?,b=8m
therefore, lx8=240 Sq.m
l=30m
From the question,
l=3b
b=30/3
b=10m
then,the area of the floor =30x10
=300 Sq.m
I hope this will help you.