Q. 144.1( 7 Votes )

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Answer :

Given,

Surface area of cuboid = 758 cm²

Length of cuboid = 14 cm

Breadth of cuboid = 11 cm

Let height of cuboid = h cm

Total surface area of cuboid = 2 (lb + bh + hl)

= 758 = 2 (14 × 11 + 11h + 14h)

= 154 + 25h =

= 25h = 379 – 154 = 225

= h =

Height of cuboid = 9 meter.

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