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In rectangular coordinate system, ABC is a right triangle. AC is perpendicular to BC. What is the abscissa of C?

1：A(10,5)

2：B(0.5,2)

  • 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: A

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