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Question 5 (i)
D, E and F are respectively the mid-points of the sides BC, CA and AB of triangle ABC Show that
BDEF is a parallelogram.

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Solution


F ,E are the midpoints of the sides AB and AC respectively.
FE||BC and FE=12BC
FE||BC andFE=BD [D is midpoint of BC].....(1)
Similarly; D, E are the midpoints of BC and AC respectively.
ED||AB and ED=12AB
ED||AB andED=FB [F is midpoint of AB].....(2)
From (1) and (2), we can conclude that BDEF is a parallelogram.

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