Posted by **Mathslover** on Monday, May 27, 2013 at 6:36am.

A sphere of radius 32√ is tangent to the edges AB, AD, AA1, and the face diagonal CD1 of the cube ABCDA1B1C1D1.

The volume of the cube can be written as a+bc√, where a, b are integers and c is a square-free positive integer. What is the value of a+b+c?

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**Alestair**, Friday, May 31, 2013 at 10:21am
237

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**Athul**, Friday, May 31, 2013 at 11:42am
how

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**Athul**, Friday, May 31, 2013 at 1:03pm
wrong>...........and this is a brilliant problem,try to do it by yourself

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**LOL**, Friday, May 31, 2013 at 2:54pm
326

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**LOL**, Friday, May 31, 2013 at 3:04pm
326 is correct?

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**stranger**, Saturday, June 1, 2013 at 10:58am
wrong 326

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**easy**, Saturday, June 1, 2013 at 1:09pm
easy

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**Mathslover**, Saturday, June 1, 2013 at 11:40pm
plesse tell me write answer

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**wait**, Sunday, June 2, 2013 at 4:28pm
tomorrow

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