Question

Q4) The surface area of a cuboid is 1372 sq.cm.If its dimensions are in the ratio 4:2:1, then a) find its length ,breadth and height .

Answer 1

Answer:

L = 28cm

B = 14cm

H = 7cm

Step-by-step explanation:

let L be 4x, B be 2x and H be x

2(lb +bh + hl) = 1372

2(4x*2x + 2x*x * 4x*x) = 1372

28x^2 = 1372

x = 7

L = 4*7 = 28cm

B = 2*7 = 14cm

H = 7cm

Answer 2

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