Respuesta :

fedrak

Answer:

BC=5

Step-by-step explanation:

BC^2= AB^2 + AC^2

x^2= 4^2 + 3^2

x^2= 16 +9

x^2= 25

x=

[tex] { \sqrt{25} }[/tex]

x= 5

BC² = AB² + AC²

BC = √(4² + 3²)

BC = √(16 + 9)

BC = √25

BC = √5²

BC = 5