The length,breath and height of a cuboid are in the ratio 6:5:4. If it's volume is 15,000 find: (1)It's dimensions . (2) it's surface area
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Step-by-step explanation:
let the ratio be 6x 5x 4x.
therefore 6x*5x*4x=1500
calculate then u will get the value x.
then by the help of formula u can do...
formula is
Answered by
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Answer:
let dimensions of cuboid =6x,5x,4x
1)=Volume of cuboid=15000
=A.T.Q:-
=6x×5x×4x=15000
=120x³=15000
=x³=15000/120
=x³=125
=x=5
dimensions are:-
length=30,breadth=25,height=20
2)Total Surface area of cuboid=
2(lb+bh+hl)
=2(30×25+25×20+30×20)
=2(750+1000+600)
=2(2350)
=4700.
hope it helps uhh.....
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