7. Chords \overline{AB} and \overline{CD} intersect at R. Using the values shown in the diagram, what is the measure of \overline{RB}?
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One property that we can use is the intersecting chords theorem, which states that when two chords intersect inside a circle, the product of the lengths of the segments of one chord is equal to the product of the lengths of the segments of the other chord. In Show more…
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