18-06-2016
Mathematics

contestada

The surface area of a cube is 150cm squared. What is the length of each edge?

Respuesta :

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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