The length breadth and height of a cuboid are in the ratio of 7 is to 6 is to 5 if the surface area of the cuboid is 1926 metre cube find the find its dimensions
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Step-by-step explanation:
Surface area of cuboid = 2(lb+bh+hl)
Let the ratio be X
Length = 7x
Breadth = 6x
Height = 5x
= 2(7x*6x+6x*5x+5x*7x) = 1926
= 2(42x+30x+35x) = 1926
= 2*107x = 1926
= 214x = 1926
= x = 9
7x = 7*9 = 63
6x = 6*9 = 54
5x = 5*9 = 45
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