In the figure, AB || DC, ∠ABC = 60° , ∠CEF = 30°, then ∠EFD is:

In the figure, AB || DC, ∠ABC = 60° , ∠CEF = 30°, then ∠EFD

1.	In the figure, AB \|\| DC, ∠ABC = 60° , ∠CEF = 30°, then ∠EFD is:
A.	40°
B.	30°
C.	20°
D.	25°
Answer» C. 20°

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In the figure, AB || DC, ∠ABC = 60° , ∠CEF = 30°, then ∠EFD is:

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