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I don't know what formula to use for this question, nor do I know how to apply this into the normal formula either

I dont know what formula to use for this question nor do I know how to apply this into the normal formula either class=

Respuesta :

Answer:

GF=33

Step-by-step explanation:

The Secant-Tangent Rule states that [tex]DE^2=GE*FE[/tex]

Plug in the known values:

[tex]22^2=GE*11\\484=11*GE\\GE=44[/tex]

We know that GE=FE+GF so

44=11+GF

GF=33