Question

Dimensions of cuboid are in the ratio1:2:3 and its
total surface area is 352 m²

findthe dimensions ofcuboid.​

Answer 1

Step-by-step explanation:

1+2+3 = 6

352 ×6 =2112

2112square

Answer 2

l=x

b=2x

h=3x

$total \: surface \: area=2(lb + bh + lh)$

• 2{(x×2x)+(2x×3x)+(3x×x)} = 352
• 2(2x^2 + 6x^2 + 3x^2) = 352
• 2(11x^2) = 352
• 22x^2 = 352
• x^2 = 352/22
• x = √16
• x = 4

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