In Figure, `A ,\ B ,\ C\ a n d\ D ,\ E ,\ F` are two sets of collinear points. Prove that `A D C F`

In Figure, A ,\ B ,\ C\ a n d\ D ,\ E ,\ F are two sets of collinear points. Prove that A D || C F

In Figure,A,B,C and D,E,F are two sets of collinear points.Prove that ADCF

A,B,C and D,E,f are two of collinear points. Prove that AD||CF

In Figure, A B C D ,\ A B F E\ a n d\ C D E F are parallelograms. Prove that a r( A D E)=a r( B C F)

In Figure, If A B || C D\ a n d\ C D\ || E F , Find /_A C E .

In Figure, A B C D ,\ A B F E\ a n d\ C D E F are parallelograms. Prove that a r( /_\A D E)=a r( /_\B C F)

In Figure, A D=A E\ a n d\ D\ a n d\ E are points on B C such that B D=E Cdot Prove that A B=A C

In Figure, A B C D\ a n d\ A E F D are two parallelograms? Prove that: a r\ (\ A P E):\ a r\ (\ P F A)=\ a r\ \ (Q F D)\ : a r\ (\ P F D)

In Figure, A B C D\ a n d\ A E F D are two parallelograms? Prove that: a r\ (\ A P E):\ a r\ (\ P F A)=\ a r\ \ (Q F D)\ : a r\ (\ P F D)

In Figure, A B=A CdotB E\ a n d\ C F are respectively the bisectors of /_B and /_C . Prove that E C B \ ~=\ F C B