,TRIANGLE ,EXAMPLES #A4 ,TRIANGLE ,,ABC IS WRITT5 _% $T ,A,B,C _: #B4 ,TRIANGLE ,,MNO IS 3GRU5T TO TRIANGLE ,,ONP IS WRITT5 _% $T ,M,N,O @:.K $T ,O,N,P _: #C4 ,TRIANGLE ,,DEF IS SIMIL> TO TRIANGLE ,,GHI IS WRITT5 _% $T ,D,E,F @: $T ,G,H,I _: #A