Should i tell her that i still love her ?

Well,i love a girl since 2004 and id told her through letters but not verbally as im very shy and afraid.we were gd friends and in the same college 4 2 yrs and id moved to another to continue my studies.then i had rarely seen her(may be 5 times a yr).In 2009 ive learned zat shes engaged something like zat-i dont believe though.now ive her num but i dont know what to do,where to begin,how to start talking to her etc.thnx very much 4 any help