AC, DF and YZ are straight lines and all angles are in degrees.
By first considering the angles
on line ABC, show that AC is
parallel to DF.
![AC DF and YZ are straight lines and all angles are in degrees By first considering the angles on line ABC show that AC is parallel to DF class=](https://us-static.z-dn.net/files/deb/440ed663d4e46ba43719926adb595bef.png)