@options; @figure; A = point( -4.98 , -0.07 ); B = point( 2.63 , 1.55 ); sAB = segment( A , B ); I = point( -1.25 , 4.98 ) { trace }; sIB = segment( I , B ) { 7 }; sAI = segment( A , I ) { 7 }; @analyse; IA = 6.28; IB = 5.18;