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Z
Posts:
17
From:
Artic
Registered:
6/22/13


Re: vertices of a rectangle
Posted:
Jun 23, 2013 8:00 PM


a rectangle is a parallelogram, just with fixed angles at 90 degrees. think of a way to show that the angles are not 90 degrees. Hint: if they were 90, a^2+b^2=c^2, where c is the diagonal that splits the shape into two equal pieces.



