ABCD is a square. E is the midpoint of AB. Join EC and ED. EC intersects BD at N. Join AN intersecting BC at F. AN intersects ED at G. Prove DCFG is a cyclic quadrilateral? Any help is appreciated.
ABCD is a square. E is the midpoint of AB. Join EC and ED. EC intersects BD at N. Join AN intersecting BC at F. AN intersects ED at G. Prove DCFG is a cyclic quadrilateral? Any help is appreciated.
