Asked by Manjot

The length of a room is double its breath. Its height is 5m the area of four walls ( including the door and windows) is 210sq m. Find its volume solve this sum
Answered by Reiny
width --- x m
length --- 2x m
height ---- 5 m

total surface area of the 4 walls
= (5)(2x) + (5)(x) + (5)(2x) + (5)(x)
= 30x

But in your un-punctuated sentence you say that this is 210 m^2
30x = 210
x = 7

so the room is 7m by 14m by 5 m
for a volume of 490 m^3

"Find its volume solve this sum" ----> I hope your text did not ask the question in that way.
Answered by Anonymous
Thanks for giving such a great answer
Answered by Aditya
That's not good
Answered by Vikas. Kumar
Better
Answered by SALIH
VERY BORNIG BUT ITS GOOD
Answered by Mayank yadav
helpful for me .
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