Question

the length of room is twice its breadth its height is 5 m the area of its four walls including doors and windows is 210 square metre find its volume

Answer 1

hey mate ur answer
l=2x
b=x
h=5

2(10x+5x)=210
30x=210
x=210/30
x=7


so b=7 , l=14and h=5

vol=lbh
vol=7*14*5

vol=490m^3





so the volume of the room is 490meter cube




hope helped!!!!!!!

Answer 2

Answer:

The length of a room is twice its breadth Its height is 5m . The area of its four walls ( including doors and windows ) is 210 sq.m. Find its volume .