http://picvalley.net/files/2006/03/31/4316b3188a97581342eead1d019cbd64.jpg
ediniq variant e po cos teorema da nameri6 cos na ugula pri C i ot tam liceto e a.bsinC/2
drugiq variant e ima edni formuli det izrazqvat medianata s trite strani, namira6 tretata strana i smqta6 lice po heron/ po toq variant namira6 i stranata c v podto4ka b, i ottam pak lice po heron