Respuesta :
					                   4 
because
5 squared = 3 squared plus x squared
25= 9+ x squared
16 = x squared
4 = x
					                
					             because
5 squared = 3 squared plus x squared
25= 9+ x squared
16 = x squared
4 = x
Answer: 4
Step-by-step explanation:
Pythagorean theorem
 
			                  