Respuesta :

Answer:

x = 2.4 units

Step-by-step explanation:

'x' is the radius of the circle....and  also one leg of the right triangle...

   so we can use Pythagorean theorem to find x

      x^2 + 7^2  = (5+x)^2

       x^2 + 49 = x^2 + 10x + 25

              24 = 10 x

               x = 2.4  units

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