ABCD is a quadrilateral in which P,Q, R and S are the mid
points of the sides AB, BC, CD and DA respectively. Show
that PQRS is a parallelogram.
Respostas
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Resposta:
PQ∥AC & SR∥AC therefore PQ∥SR and PQ=SR. Hence, a quadrilateral with opposite sides equal and paralle is a parallelogram. Therefore PQRS is a parallelogram.
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