Respuesta :

Answer:

5.4

Step-by-step explanation:

Ita a basic right triangle problem

c^2=a^2+b^2

c=d

b=7-2=5

a=4-2=2

2^2+5^2= d

d= 5.39 (rounded to 5.4)

Hi I’m pretty sure it’s 5.4 hope this helps :)