They look right to me.Can anyone identify the flaw in my vectors?
AB = (-18 sin (18 degrees), + 18 cos (18 degrees))
BC = (25 sin (36 degrees), + 25 cos (36 degrees))
CD = (+20 cos (18 degrees), - 20 sin (18 degrees))
DF = (-15 sin (25 degrees), - 15 cos (25 degrees))