Respuesta :

Answer:

15

Step-by-step explanation:

mhanifa

Answer:

  • C. 15

Step-by-step explanation:

As per intersecting chords theorem, we have following:

  • HA*HC = HB*HD
  • 3x*8 = 12*10
  • 24x = 120
  • x = 120/24
  • x = 5
  • HA = 3x = 3*5 = 15

Correct choice is C

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