Respuesta :

Answer: x = 8

Step-by-step explanation:

Since 15 is the radius, and x is tangent, we know that it is a right angle

Using Pythagorean Theorem a² + b² = c²

a = x

b = 15

c = 17

17² = 15² + a²

289 = 225 + a²

a² = 64

a = 8

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