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Can somebody please tell me what to do here?

 Oct 22, 2020
 #1
avatar+1421 
+3

Important: A median divides a triangle into two triangles of equal area.

 

If the area of a ΔDEF is 17, then the area of ΔADE = 17 * 4 = 68

 

Area of ΔADE = 68  ...then.... area of  ΔADC = 68 * 3 = 204

 

Area of ΔABC = 204 * 2 = 408 u 

 Oct 23, 2020
 #2
avatar+1421 
+3

This diagram may support my answer. If an explanation is needed, I'm willing to provide it.smiley 

Dragan  Oct 23, 2020

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