Cheesepuff99 Cheesepuff99

28-07-2018
Mathematics

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Please help I have been trying to solve this

Please help I have been trying to solve this class=

Respuesta :

28-07-2018

The intersecting chord theorem says

[tex] AY \cdot BY = CY \cdot DY [/tex]

[tex] AY = \dfrac{ CY \cdot DY}{BY} = \dfrac{6 \cdot 12}{9} = 8[/tex]

[tex]AB = AY + BY = 8 + 9 = 17[/tex]

Answer: 17

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