Question

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

Answer 1

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

Answer 2

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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