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Topic: Classification of quadrilaterals
Replies: 17   Last Post: Jan 11, 1995 6:43 AM

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John Conway

Posts: 2,238
Registered: 12/3/04
Re: Classification of quadrilaterals
Posted: Dec 21, 1994 4:21 PM
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Jim King remarks that in a trapezoid with AB || CD, the segment
connecting the midpoints of AB and CD bisects that containing
the midpoints of BC and AD.

What is the class of quadrilaterals for which these two segments
are concurrent? Surely it can't be ALL quadrilaterals? JHC






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