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Question

Given triangle ABC with medians AE, BF, CD; FH parallel and equal in length to AE; BH and HE are drawn; FE extended meets BH in G. Which one of the following statements is not necessarily correct?
922163_7475783d7d8842b28d925c0e9ff74902.png

A
AFHF is a parallelogram
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B
¯HE=¯HG
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C
¯BH=¯DC
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D
¯FG=34¯AB
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Solution

The correct option is B ¯HE=¯HG
R.E.F image
FH=AE & FH||AE
Solution :-
it two lines are parallel
and equal then they will be in parallelogram
Here FH=AE & FH||AE (give)
So, AFHE is a parallelogram
Now, AF=HE & AF||HE
We look in ACD & HBD
DC=BH (corresponding side)
(C) is true.
Now
FG=FE+EG
=12AB+12BD (By mid-point theorem in ABC)
=12AB+12×12AB (D is the mid point of AB)
=34AB
only option B left. So Answer will be B.

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