Respuesta :

Answer:

2√14

Step-by-step explanation:

x+y/a = a/y

10+4/s = s/4

14/s = s/4 you cross multiply and get

a²=56

√a = √56

a = 2√14

Gabe1234567891011

Answer:

B)   2√14

Step-by-step explanation:

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