Homework Help: maths

Posted by shabnam on Saturday, January 5, 2013 at 3:17am.

find the surface area of a cuboidal box whose lenght breadth and height are 40cm 30cm and 20 cm respectively.

math - drwls, Saturday, January 5, 2013 at 3:26am
2*[40*30 + 40*20 + 20*30]
= 5200 cm^2

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