Proving Triangle AEF = Triangle FBD: A Puzzling Problem

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SUMMARY

The discussion focuses on proving the congruence of triangles AEF and FBD using properties of medians in triangle ABC. The key points established are that triangle ABD is congruent to triangle ADC due to the median D, and triangle ABE is congruent to triangle EBC due to the median E. The intersection point F of the medians leads to the conclusion that BDF is equal to AEF, as both are half of their respective triangles. This proof utilizes the properties of triangle medians and congruence.

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  • Knowledge of medians in triangles
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ruud
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I can't figure out this problem

Lets take triangle ABC
A


B C

a median (D) goes from A to the midpoint of BC
a median (E) goes from B to the midpoint of AC

Prove that triangle AEF = triangle FBD

Since a median divides up a triangle you know that
triangle ABD = triangle ADC
triangle ABE = triangle EBC

Here is where I'm getting stuck could someone please tell me the next step or two?
 
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I forgot to mention F is the point where the two medians cross
 
Well, I am not sure what form your answer is supposed to take, but how about this...

You know that
ABD = ADC

Then when you bisect them it follows that:
(1/2)ABD = (1/2)ADC

Since
BDF = (1/2)ABD and AEF = (1/2)ADC

Then
BDF = AEF

I hope this helps. Let me know.
 

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