SOLUTION: Here is the question: A metal cube of volume 1000cm^3 is melted down and cast into a cuboid 50cm long and 10cm broad. What is the percentage increase in the surface areas of the so
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Question 117424: Here is the question: A metal cube of volume 1000cm^3 is melted down and cast into a cuboid 50cm long and 10cm broad. What is the percentage increase in the surface areas of the solids?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
cm2
where is the length of all the sides
cm2
cm
The surface area is
cm2
cm2
----------------------
Even though the dimensions change, V can't change
Two of the faces are cm2
Two of the faces are cm2
Two of the faces are cm2
The increase in area is cm2
cm2
The percentage increase is = 24% answer
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