ABC est un triangle rectangle en A tel que:
AB= x cm . AC = 6 cm et BC = x + 3
faire un shema de la situation puis calculer x
help please !!!!!!!
AB= x cm . AC = 6 cm et BC = x + 3
faire un shema de la situation puis calculer x
help please !!!!!!!
More Questions From This User See All
Lista de comentários
Tu fais Pythagore !
(x+3)²=x²+6²
=> x² + 6x + 9 = x² + 36 (On barre les x² car x²-x² = 0)
=> 6x + 9 = 36
=> 6x = 36-9
=> 6 x = 27
=> x = 27/6
=> x = 4.5 cm