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Please help I have been trying to solve this

Please help I have been trying to solve this
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4 votes
Please help I have been trying to solve this

Please help I have been trying to solve this-example-1
User Kimmax
by
7.3k points

1 Answer

1 vote

The intersecting chord theorem says


AY \cdot BY = CY \cdot DY


AY = ( CY \cdot DY)/(BY) = (6 \cdot 12)/(9) = 8


AB = AY + BY = 8 + 9 = 17

Answer: 17

User EinSelbst
by
7.5k points
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