My Math Forum sum of angles?

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 November 11th, 2016, 07:24 AM #1 Senior Member   Joined: Nov 2011 Posts: 194 Thanks: 2 sum of angles? Does the sum of angles in cubic body/prism body has a significant purpose or meaning to calculate the size of the sum?
 November 11th, 2016, 01:45 PM #2 Global Moderator   Joined: May 2007 Posts: 6,510 Thanks: 584 Your question is very unclear.
 November 12th, 2016, 03:54 AM #3 Senior Member   Joined: Nov 2011 Posts: 194 Thanks: 2 I ask I ask: "If there is meaning to the sum of angles of solid body"?
November 12th, 2016, 04:24 AM   #4
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Quote:
 Originally Posted by shaharhada I ask: "If there is meaning to the sum of angles of solid body"?
Are you asking about the sum of the interior angles of a solid?

-Dan

 November 12th, 2016, 05:09 AM #5 Senior Member   Joined: Nov 2011 Posts: 194 Thanks: 2 yes yes
November 12th, 2016, 05:13 AM   #6
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Quote:
 Originally Posted by shaharhada Does the sum of angles in cubic body/prism body has a significant purpose or meaning to calculate the size of the sum?
Do you mean the plane angles between the edges of the solid, the dihedral angles between two faces of the solid, the trihedral angles between three faces of the solid?

As others have said, the question is not clear.

Providing a picture of a relatively simple solid with the angles you are interested in clearly marked would be a good start.

 November 12th, 2016, 06:26 AM #7 Senior Member   Joined: Nov 2011 Posts: 194 Thanks: 2 If I know the sum of angles If I know the sum of angles of geometric 3D object, what conclusions I can get from the sum?
 November 12th, 2016, 10:47 AM #8 Senior Member     Joined: Feb 2010 Posts: 673 Thanks: 125 Well that clears it up for me.

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