Trong không gian với hệ trục tọa độ , cho mặt cầu có tâm và mặt phẳng . Thể tích của khối nón đỉnh và đường tròn đáy là giao tuyến của mặt cầu và mặt phẳng bằng  

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose one sentence that has the same meaning as the root one:

  It is believed that the man escaped in a stolen car.
  
  

• Choose one sentence that has the same meaning as the root one:

  I didn’t have an umbrella with me, so I got wet.
  
  

• Choose one sentence that has the same meaning as the root one:

  The coffee was too hot for me to drink.
  
  

• Choose one sentence that has the same meaning as the root one:

  In spite of their differences, Peter and John plan to be roommates.
  
  

• Choose one sentence that has the same meaning as the root one:

  It won't be long before her husband comes back.

   

• Choose one sentence that has the same meaning as the root one:

  Nothing but the whole story would satisfy Tim.
  
  

• Choose one sentence that has the same meaning as the root one:

  I should have studied last night, but I was too tired.
  
  

• Choose one sentence that has the same meaning as the root one:

  I have never felt better than I do now.
  
  

• Choose one sentence that has the same meaning as the root one:

  “Cigarettes?” he asked. “No, thanks,” I said.
  
  

• Choose one sentence that has the same meaning as the root one:

  The doctor said, “You really ought to rest for a few days, Jasmine.”