Answers

2016-01-06T13:19:35+05:30
:area of a cuboid is: 2{lb+bh+hl} .
so area of the tank is2{500+250+200}
i.e.=2{950}
    =1900m sq.
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2016-01-06T15:15:45+05:30
C.S.A of cuboid -2(l+b)×h

2(25+20)×10
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