Answer:
BE = 39/5 or 7.8
Step-by-step explanation:
As <ABC = <DBE trigonometric function is angle BAC and angle BED
so sin (<ABC) = sin(<DBE) and AC and BC , BD and BE
so AC/AB = DE/BE = 13/BE = 5/3
So now we cross multiply
BE = 13 × 3 over 5
13 × 3 = 39
and over 5 means
39/5 = 7.8
