Question

The surface area of cuboid is 198m 2 . The dimensions of
cuboid are in the ratio 1:2:3. Find the dimensions of
cuboid.

Answer 1

Answer:

Let the dimensions be x , 2x , 3x  

So total surface area=2(lb+bh+lb)

                                    ⇒  2(2x²+6x²+3x²)

                                   ⇒   22x²=88m²

                                    ⇒    x=2m

So, the dimensions are : 2m,4m,6m

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