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  • 18-06-2016
  • Mathematics
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The surface area of a cube is 150cm squared. What is the length of each edge?

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caylus
caylus caylus
  • 18-06-2016
Hello,
Let x be the side
6*x²=150
==>x²=25
==>x=5 or x=-5(rejected)
5 cm is the length of each of those 12 edges.
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