sum of length breadth and height of a cuboid is 20cm if the length of the diagonal is 10cm find the surface area
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l+b+h=20
l^2+b^2+h^2=100
and finely apply (a+b+c)^2 formula
so , answer is 300
l^2+b^2+h^2=100
and finely apply (a+b+c)^2 formula
so , answer is 300
shivam75:
hi
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