# Find the length and surface area of a wooden plank of width 3m, thickness 75cm and volume 33.75m3

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by Aman1111111

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by Aman1111111

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33.75=(lx3x75/100)m

33.75/2.25= l

15=l

Therefore, the length of the plnk is 15 m.

T. S. A. =2(lb+bh+hl)

=2x180

=360m2

That's the correct answer.