If the length, breadth and height of a cuboid are in the ratio 4 : 3 : 2 and if the total surface area is 832 sq. cm., then the dimensions of the cuboid are
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Step-by-step explanation:
Answer: · Step-by-step explanation: · Total Surface Area of cuboid = 2( lb + bh + hl ) · ∴ 2( lb + bh + hl ) = 832 cm^2 · We know, · Volume of cuboid = length x breadth x ...
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Step-by-step explanation:
length=4x
breadth=3x
height=2x
total surface area of cuboid=2(lb+bh+hl)
832=2(4x(3x)+3x(2x)+2x(4x)
832=2(12x^2+6x^2+8x^2)
832=2(26x^2)
832=52x^2
832/52=x^2
16=x^2
x=4 cm
length=4x=4×4=16 cm
breadth=3x=3×4=12 cm
height=2×4=8 cm.
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