Question

in triangle ABC,DE Paralle to BC and AD/DB=3/5 if AC =5.6 find AB


pls quick..

Answer 1

HOLA

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In ∆ ABC , we have

$\frac{ad}{db} \: = \: \ \frac{ab}{ac} \: \: (bpt) \\ \\ \frac{3}{5} \: = \: \frac{ab}{5.6} \\ \\ ab \: = \: \frac{3 \times \: 5.6}{5} \: = 3.36$

So , Ab = 3.36

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