a,b,and c are the sides of cuboid so
prove that s/v =2{1/a + 1/b + 1/c }
(here v = volume of cuboid and
s = total surface area of cuboid )
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length=l=a
Breadth=b=b
height=h=c
Area=2(lb+bh+lh)
Volume=lbh
Area/Volume=2(lb+bh+lh)/(lbh)
=2/(1/h + 1/l + 1/b)
=2/(1/a + 1/b + 1/c)
Breadth=b=b
height=h=c
Area=2(lb+bh+lh)
Volume=lbh
Area/Volume=2(lb+bh+lh)/(lbh)
=2/(1/h + 1/l + 1/b)
=2/(1/a + 1/b + 1/c)
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