The breadth of a room is twice its height and is half of its length. The volume of room is 512dm3 . Its dimensions are
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We have
b=2h and b=
2
l
⇒
2
l
=2h⇒ l=4h⇒l=4h,b=2h
Now,
Volume =512dm
3
⇒4h×2h×h=512⇒h
3
=64⇒h=4
So, l=16dm,b=8dm and h=4dm
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