Question

TRIANGLES
127
A
B
E
F
Example 2 : ABCD is a trapezium with AB || DC.
E and F are points on non-parallel sides AD and BC
respectively such that EF is parallel to AB
AE BF
Show that
ED FC
D
C С​

Answer 1

Answer:

sorry I did not close this question and I did not answer it ( sorry )