GF =√(GK^2 -KF^2) =15
sin(G/2) =8/17
cos(G/2) =15/17
cosG =cos(G/2)^2 -sin(G/2)^2 =7*23/17^2
△GKH=△GKF => GH=GF
GL =15+2 =17
GM =15+19 =34
Теорема косинусов
ML^2 =GL^2 +GM^2 -2GL*GM*cosG =17^2 +34^2 -644 =801
ML =√801 =3√89
GF =√(GK^2 -KF^2) =15
sin(G/2) =8/17
cos(G/2) =15/17
cosG =cos(G/2)^2 -sin(G/2)^2 =7*23/17^2
△GKH=△GKF => GH=GF
GL =15+2 =17
GM =15+19 =34
Теорема косинусов
ML^2 =GL^2 +GM^2 -2GL*GM*cosG =17^2 +34^2 -644 =801
ML =√801 =3√89