Respuesta :

Answer:

  • A. √30

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Use the intersecting chords theorem, according to which, the products of the lengths of the line segments on each chord are equal,

or

  • TW × WU = CW × WV

Substitute the lengths and solve for x:

  • x*2x = 6*10
  • 2x² = 60
  • x² = 30
  • x = √30

The matching answer choice is A.