Respuesta :

Answer:

x = 6, so the straight side is = x + 3 = (6) +3 = 9

Step-by-step explanation:

Answer:

12

Step-by-step explanation:

(17×17) - (8×8)= 225

square root 225= x+3

15= ×+3

-3+15= x

12= x

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