Question

Express x in terms of a, b, and c. X =

Answer 1

Answer:

$\frac{ac}{a+b} .$

Step-by-step explanation:

1)  Δ ADE  ~  Δ ABC,   then

$\frac{AE}{AC} =\frac{DE}{BC}$    ⇒      $\frac{x}{c} =\frac{a}{a+b};$

$2) \ finally, \ x=\frac{ac}{a+b} .$