Posted by Callie on Friday, January 20, 2012 at 9:00am.
True or False. A quadrilateral with these following vertices is a parallelogram.
(4,3),(2,3),(4,6),(4,6)

Math  Steve, Friday, January 20, 2012 at 11:20am
Calling the points ABCD,
slope of AB = 0
slope of CD = 0 so AB  CD
slope of BC = 3/2
AD is vertical
so BD not  to AD
no parallelogram  it is, however, a trapezoid.
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