FGHI FGHI\,FGHI is a parallelogram. GHK GHK\,GHK is a straight line. Angle IFG=125∘IFG = 125^\circIFG=125∘ Angle FKH=28∘FKH = 28^\circFKH=28∘
Find the size of angle HFKHFKHFK.
Give a reason for each stage of your working.