Mathematics, 09.01.2020 16:31 leonidas117

Pqrs is a quadrilateral in which a, b,c, d are midpoints of the sides pq, qr, rs and sp, pr is a diagonal . show that abcd is a parallelogram. !

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Pqrs is a quadrilateral in which a, b,c, d are midpoints of the sides pq, qr, rs and sp, pr is a dia...

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