Réponses

  • Utilisateur Brainly
2014-05-27T12:51:11+02:00
A,E,F,G alignés
(BC)//(CF)//DG

thales

calcul AC

AB/AC = AE/AF = BE/CF
152/AC = 114/129
152*129 = 114*AC
AC = 172mm

calcul DG

AC/AD = AF/AG=CF/DG
172/204 = 129/DG
172*DG = 204*129
DG = 153mm

AB*BE = 114*152
AC*CF = 129*172
AD*DG = 153*204