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As shown in the figure, the rectangle inside is a grassland, the outside is a runway, there are four quarter arcs, and the radius is d, what is the area of the runway?
(1)The area of the grassland is 15d
(2)The area of the grassland is 150
  • 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.
  • D EACH statement ALONE is sufficient.
  • EStatements (1) and (2) TOGETHER are NOT sufficient.
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正确答案: E

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