Réponse :
Explications étape par étape
Bonjour
Triangle rectangle donc pythagore :
2,5^2 = AH^2 + 1,5^2
AH^2 = 2,5^2 - 1,5^2
AH^2 = 6,25 - 2,25
AH^2 = 4
AH = 2 m
AM = 2 - 0,3
AM = 1,7 m
AS^2 = 2,5^2 - 1,7^2
AS^2 = 6,25 - 2,89
AS^2 = 3,36
AS ~ 1,83 m
BS = AS - AB
BS = 1,83 - 1,5
BS = 0,33 m
BS = 33 cm