Respuesta :

oscar236

Answer:

x =  2√13.

Step-by-step explanation:

Using the Pythagoras theorem:

14^2 = x^2 + 12^2

x^2 = 14^2 - 12^2

x^2 = (14 + 12)(14 - 12) = 52

x = √52

x = √4*√13

x = 2√13.

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