Respuesta :

  • G F is a perpendicular bisector

So

  • A F=AB/2=86/2=43

Med ians of any tria ngle bise cts each other at 2:1 ra t io at cen troid.

So

  • A G=C G=100

Apply Pythagorean theorem

[tex]\\ \tt\hookrightarrow EC^2=CG^2-EG^2=100^2-60^2=10000-3600=6400\implies EC=80[/tex]

Now

  • BE=EC=80

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