question: the handle AP always bisects the angle angle BAC formed by the two ribs in the same plane, and AE = AF, DE = DF, If AB = 50.0, AD = 14.0, then the area of ​​oil paper required to make such a paper umbrella is (don't remember the seam) ()
  Choices:
  A:48cm^{2}
  B:70πcm^{2}
  C:2400πcm^{2}
  D:2500πcm^{2}
query_wo: Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
  Question: the handle AP always bisects the angle angle BAC formed by the two ribs in the same plane, and AE = AF, DE = DF, If AB = 50.0, AD = 14.0, then the area of ​​oil paper required to make such a paper umbrella is (don't remember the seam) ()
  Choices:
  A:48cm^{2}
  B:70πcm^{2}
  C:2400πcm^{2}
  D:2500πcm^{2}
query_cot: Please first conduct reasoning, and then answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
  Question: the handle AP always bisects the angle angle BAC formed by the two ribs in the same plane, and AE = AF, DE = DF, If AB = 50.0, AD = 14.0, then the area of ​​oil paper required to make such a paper umbrella is (don't remember the seam) ()
  Choices:
  A:48cm^{2}
  B:70πcm^{2}
  C:2400πcm^{2}
  D:2500πcm^{2}
question_for_eval: the handle AP always bisects the angle angle BAC formed by the two ribs in the same plane, and AE = AF, DE = DF, If AB = 50.0, AD = 14.0, then the area of ​​oil paper required to make such a paper umbrella is (don't remember the seam) ()
  Choices:
  A:48cm^{2}
  B:70πcm^{2}
  C:2400πcm^{2}
  D:2500πcm^{2}