Question

A closed wooden box is in the form of cuboid.Its length,breath.and height are 6m,1.5m and 300cm respectively.Find the T.S.A and cost of painting its entire outer surface at the rate of rupee 50 per m^2​
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Answer 1

Answer:

TSA of cubiod is 2(lb+bh+hl)

but height is in cm,so we should convert into metres. 300cm=3m

TSA=2(6×1.5+1.5×3+3×6)

TSA=63

now, cost of painting =50×63=3150