In ΔABC, D and E are points on the sides AB and AC respectively If AD = 4, AE = 8, DB = x – 4, and EC = 3x – 19, find x.

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asked Feb 10, 2018 in Mathematics by sforrest072 (157,439 points) 65 463 1494
In ΔABC, D and E are points on the sides AB and AC respectively

If AD = 4, AE = 8, DB = x – 4, and  EC = 3x – 19, find x.

1 Answer

+1 vote
answered Feb 10, 2018 by mdsamim (213,225 points) 5 10 30
selected Feb 10, 2018 by sforrest072
 
Best answer

Therefore, by basic proportionality theorem, we have,

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