Respuesta :

Answer:

Two tangents intersecting a circle are always equal.

Therefore 4x + 11 = 13x - 16

Solving for x:  9x = 27

x = 3

ED = 4x + 11 =  12 + 11 = 23

IF FDE is a right triangle:

FD^2 = 23^2 + 12^2

FD^2 = 529 + 144

FD^2 = 1,202

FD = 34.6698716467

FD = 34.7 (rounded)

Step-by-step explanation:

x=3 I hope you do good