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According to the picture, BD=10. AC is perpendicular to CD. BC is perpendicular to AD. CD=?

(1)θ =60°

(2)AD=2AC

  • AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
  • BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
  • CBoth statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient.
  • DEACH statement ALONE is sufficient.
  • EStatements (1) and (2) TOGETHER are NOT sufficient.
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正确答案: B

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