ABCD is a parallelogram.
EDC is a straight line.
F is the point on AD so that BFE is a straight line.
Angle EFD = 35q
Angle DCB = 75q
Show that angle ABF = 70q
Give a reason for each stage of your working.
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.