Answer:
[tex] d = \frac{ac}{b + c} [/tex]
Step-by-step explanation:
Since ∆XYZ is similar to ∆WYP, their side lengths are proportional to each other. Therefore,
a/d = (b + c)/c
Cross multiply
d(b + c) = a*c
Divide both sides by (b + c)
[tex] d = \frac{ac}{b + c} [/tex]
