What length of {BC} ?

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1 Answer
Ananda Dasgupta
Sep 2, 2017

36 cm

Explanation:

FD is bisected by AG at, say, O. Thus AO is a median of the triangle AFD. This implies that the side FD is parallel to the side BC, So, AFD and ABC are similar - which leads to the answer (Since the median of ABC is three times longer than that of AFD)

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