SOLUTION: Is there a relation between side length and surface area of a cube linear or non linear? How do you know?

Question 1157563: Is there a relation between side length and surface area of a cube linear or non linear? How do you know?
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
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Surface area of the cube consists of 6 squares.

If "a" is the edge length of the cube, then one such face has the area of ,

and the entire surface area of the cube is .

It is the ANSWER to your question.

Each school class studies it.

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See this group of lessons on surface area of the major solids
    - Surface area of 3D solid bodies
in this site.

Also, in this site you have this free of charge online textbook on Geometry
    GEOMETRY - YOUR ONLINE TEXTBOOK.

On the surface area of a cone and other 3D solid bodies see the lessons in this online textbook under the topic
    Surface area of 3D solid bodies".

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