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To find the value of x, we can use the Pythagorean theorem since we have a right triangle inside the circle.
Let's denote the sides of the triangle as follows:
- The radius of the circle is 8.6 (r)
- One side of the triangle is x
- The hypotenuse of the triangle is 5.6 (h)
According to the Pythagorean theorem:
r^2 = x^2 + h^2
8.6^2 = x^2 + 5.6^2
73.96 = x^2 + 31.36
x^2 = 73.96 - 31.36
x^2 = 42.6
x = sqrt(42.6)
x ≈ 6.5
Therefore, the value of x is approximately 6.5. This value does not match any of the provided answer choices, so it seems there may be a mistake in the problem or the answer choices.