What is the value of x to the nearest tenth? 4.7 8.0 3.3 9.5

We know that the line segment drawn from the center of circle to any chord , bisects the chord

So the other part fo the chord is also 6.5

And the radius is 8

, So we can now apply the pythagorean theorem , in the triangle

So

taking square root on both sides

x = 4.6637

x=4.7

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a is the right answer