Question

the dimension of cuboid are in the ratio 4:3:1. if the total surface area is 3800cm square then find it's volume​

Answer 1

let the side of cuboid are = x

then 4x =l

3x=b

x=h

TSA of cuboid 2( lb+bh+hl)=3800cm²

2(12x²+3x²+4x²)=3800 cm²

2 ( 19x² ) =3800 cm²

38x²=3800 cm²

x²=3800/38

x²=100

x=√100

x=10 cm

4x=4×10=40cm

3x=3×10=30 cm

x=10 cm

volume of cuboid =l×b×h

=40×30×10=12000 cm³

Answer 2

Answer:

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