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ABCD is a non-isosceles trapezoid with AB || CD. PQRS is a quadrilateral formeby joining, in order, the midpoints of the sides of ABCD. Prove that PQRS is a parallelogram.

User Vanaja Jayaraman
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24 votes
24 votes

1. we will first draw a non isosceles trapezoid with ABIICD , then

User Eli Friedman
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