Question

Mr.mehara made a open water tank in his garden find its surface area if it's dimenision are 3.5m*1.5m*2m

Answer 1

Surface area of cuboid = 2(lb+bh+hl)
= 2((3.5*1.5)+(1.5*2)+(2*3.5))
= 2(5.25+3+7)
=30.5m^2

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