Respuesta :

Medunno13

By the corresponding angles theorem,

  • ∠AFG, ∠BGD, and ∠CHD are congruent
  • ∠BAF, ∠CBG, and ∠DCH are congruent

Thus, triangles AFD, BGD, and CHD are similar by AA.

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Answer:

If all of these are parralel and all touching a single line(FD), then they must be the same. Also, they are perpendicular. :/

Step-by-step explanation: