Respuesta :

oopsydaisy
This is a well known math problem also called the Feynman's triangle. If the ABC is equilateral triangle, such that the bd/bc=1/3 and ce/ca=1/3, af/ab=1/3. Then the ratio of the area of the shaded region to area of abc is 60. 

This is the work to the problem; 
BE2=CE2+CB2−2.CE.CBcos(60) BE2=12+32−2.1.312 BE=7√       (1)

meerkat18
The question ask to calculate or to find the ration of the shaded region to area of ABC if ABC is equilateral triangle. Based on my calculation and further formulation, I came up with an answer of 1/7. I hope you are satisfied with my answer 

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