2015 June(73C) Math Question 49

Angles

- Circles

49. A circle, 2 chords. and some lengths, in centimeters, are shown in the figure below, which is not drawn to scale. What is the value of x ? (Note: When two chords intersect, the product of the lengths of the segments of one chord equals the product of the lengths of the segments of the other chord.)

Choice D

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