Respuesta :

Answer:

3

Step-by-step explanation:

Answer:

3 is the answer

Step-by-step explanation:

perpendicular =xcm

base =4cm

hypotenuse =5cm

By the pythagoras theorem,

p=

[tex] \sqrt{} [/tex]

h^2-b^2

5^2-4^2

25-16

9

3