Respuesta :

9514 1404 393

Answer:

  (b)  x = 6; ...

Step-by-step explanation:

The products of the segment lengths for each chord are the same:

  FA×FB = FC×FD

  FA×3 = 2×9

  FA = 18/3 = 6

  x = 6

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AB = FA +FB = 6 + 3 = 9

CD = FC +FD = 2 +9 = 11

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  (x, AB, CD) = (6, 9, 11)