question: The area $A$ of the sector below is 140.28 (cm)^2. We wish to find the length of the radius, then the perimeter.
  
  Find the length of the radius, $r$. (You may let \theta  represent the angle of the sector). Give your answer correct to one decimal place.
query_wo: Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
  Question: The area $A$ of the sector below is 140.28 (cm)^2. We wish to find the length of the radius, then the perimeter.
  
  Find the length of the radius, $r$. (You may let \theta  represent the angle of the sector). Give your answer correct to one decimal place.
query_cot: Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
  Question: The area $A$ of the sector below is 140.28 (cm)^2. We wish to find the length of the radius, then the perimeter.
  
  Find the length of the radius, $r$. (You may let \theta  represent the angle of the sector). Give your answer correct to one decimal place.
question_for_eval: The area $A$ of the sector below is 140.28 (cm)^2. We wish to find the length of the radius, then the perimeter.
  
  Find the length of the radius, $r$. (You may let \theta  represent the angle of the sector). Give your answer correct to one decimal place.