SOLUTION: Prove: The sum of the measures of the four angles of a quadrilateral is 360 degrees. (Quadrilateral Sum Conjecture).
I think it may have something to do with triangles. I need h
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Question 610004: Prove: The sum of the measures of the four angles of a quadrilateral is 360 degrees. (Quadrilateral Sum Conjecture).
I think it may have something to do with triangles. I need help. Thank you.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
if you draw a diagonal of the quadrilateral, it divides the quadrilateral into two triangles
each triangle has angles that sum to 180º ___ twice 180º is 360º
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