Geometry 6.5b, Apply & Identify Special Parallelograms in the Coordinate plane

First published at 12:57 UTC on October 25th, 2018.

(Sorry, ERROR AT 4:21, should be BD and not BC, we're finding the diagonals) An explanation of how we can prove that a given quadrilateral is a rectangle, rhombus, or square by using the definitions of the special quadrilaterals. We apply the...

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