Question

the dimension of a cuboid are in the ratio 5:3:2 and its total surface area is 1550metre square find the dimension and area of four walls​

Answer 1

Answer:

Let the common ratio be x

The three dimensions are 5x,3x,2x.

surface area = 2(5x)+2(3x)+2(2x) = 1550 sq metres.

10x + 6x + 4x = 1550

20x = 1550

x = 1550/20 = 77.5

three dimensions

• 5x = 387.5 sq metres
• 3x = 232.5 sq metres
• 2x = 155 sq metres

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