the length,bredth and height of a cuboid are in ratio 7:6:5.if the surface area of the cuboid is 1926 CM square. find the volume of cuboid,.
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Let the length, breadth, height be 7x,6x,5x.
surface area of cuboid is 1926 cm.
area=2(l.b+b.h+h.l)
1926=2(7x.6x+6x.5x+5x.7x)
1926/2=42x+30x+35x
963=107x
x=9cm
volume=x^3
=(9)^3
=729cm^3
the volume of the cuboid is 729cm^3.
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