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Tatiana [17]
3 years ago
14

Please help as I can’t figure this out :(

Mathematics
1 answer:
sweet [91]3 years ago
5 0

This involves another of the secant rules for circles. When chords divide each other, the product of the segment lengths of one chord is equal to the product of segment lengths of the other chord.

18·6 = 9·YB

18·6/9 = YB = 12

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