Formules utiles

http://www.4shared.com/file/173832634/d1847c89/al-kashi-loi-des-cosinus.html
http://www.4shared.com/file/173833582/61e9d94b/equation-diophantienne-premier.html
http://www.4shared.com/file/173833688/837a8e0c/formule-hauteur.html
http://www.4shared.com/file/173833750/39cd1244/formule-mediane.html
http://www.4shared.com/file/173833808/413d290e/proprietes-bissectrice.html
http://www.4shared.com/file/173833848/2551ec0a/theoreme-angle-droit-demi-cerc.html