GSPk Fcapm dt9>4 CC}C t4 BhCC t]b4 AB}C t4 mB}CC}C? t_<4 p1CCpgQ?XgQ'tgQC gQg2?C}CB}ChCC t\>4 lC}CB}C? t>4 khCCC}C? t\4 jB}ChCC?t*4 m5 Area BAC = Area(Polygon BAC) = t4 nhCAhCqC?t?V4 m3 m {S:AB} = Length(Segment AB) = t'>4 m2 m {S:BC} = Length(Segment BC) = t n4 m1 m {S:CA} = Base = tTSi4 Hide  t>V4 Computer Calculation\d[d\Lc[  tL{d^4 m7^^^^^^^^^^^^^^^^^^ 0{D:{(:Base + {(:m {S:BC}} + {(:m {S:AB}}}}{2} = S =   t4 DE VE%dE~x F~~~B|hC}C  Jtc_|^4 m8^^^^^^^^^^^^^^^^^^ K{V:S{!:*}{(:S - Base}{!:*}{(:S - {(:m {S:AB}}}{!:*}{(:S - {(:m {S:BC}}}} = Hsqrt[S*(S - Base)*(S - Length(Segment AB))*(S - Length(Segment BC))] = 5 t4 ohC}ChCC?tS4 Hide tj4 Heron's S and Formulag:+fFg> nf tWo4 m4 m {S:DB} = Height = t *O^4 m6^^^^^^^^^^^^^^^ #{(:{D:1}{2}}{!:*}Base{!:*}Height = (1/2)*Base*Height =   t(S=4 Hide t*4 Show Height and Area`d_d`Lg_ "4MS Sans SerifCgQ