The surface area of cuboid is 1792 sq cm. -Maths 9th

The surface area of cuboid is 1792 sq cm. -Maths 9th
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Answer :

Let the height = x cm, then breadth = 2x cm length = 4x cm According to formula, 2(lb + bh + lh) = 1792 2(8x2 + 2x2 + 4x2)  = 1792 28x2 = 1792 ⇒  x 2   = 1792/28  = 64    ⇒ x = 8 Length = 8 X 4 = 32 cm
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Related questions

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