Euclidean Theorem

  • Thread starter Dustinsfl
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  • #1
Dustinsfl
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What is the famous theorem in Euclidean geometry that states that the sum of the interior angles of a triangle is 180 degrees?
 
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  • #3
Dustinsfl
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Do you know what the theorem states?
 
  • #4
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It says pretty much what you said - that the sum of the interior angles of a triangle is 180 degrees.
 
  • #5
Dustinsfl
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How could use the theorem to determine the sum of the angles of a convex quadrilateral?
 
  • #6
Office_Shredder
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Try connecting two opposite corners of the quadrilateral with a line
 

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