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Topic: vertices of a parallelogram
Replies: 4   Last Post: Jun 23, 2013 7:58 PM

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Posts: 17
From: Artic
Registered: 6/22/13
Re: vertices of a parallelogram
Posted: Jun 22, 2013 10:47 PM
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Yes, rectangle is a type of parallelogram with 4 fixed angles at 90 degrees. Show that the opposite sides are equal and the diagonals bisect each other. A picture proof of the angles for your rectangle and parallelogram may be enough. I don't know which level of mathematics you are at.

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