Cho hình thang vuông ABCD có các kích thước như hình bên.

Khi quay hình thang vuông quanh cạnh AD thì khối tròn xoay tạo thành có thể tích là: 

 

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  All traffic laws ________________.
  
  

• Choose the best answer for the following sentence:

  Tomatoes ______________ before they are completely ripe.
   

• Choose the best answer for the following sentence:

  This letter _______________, not handwritten.
   

• Choose the word that has the underlined part pronounced differently from the rest:

  picture                   action                   question                   future

• Choose the word that has the underlined part pronounced differently from the rest:

  swallow                    below                    slowly                    allow

• Choose the word that has the underlined part pronounced differently from the rest:

  enough                  loud                   about                  amount

• Choose the word that has the underlined part pronounced differently from the rest:

  reading                     easy                    pleasure                      please

• Choose the word that has the underlined part pronounced differently from the rest:

  killed                     enjoyed                    described                    digested

• Choose the word that has the underlined part pronounced differently from the rest:

  book                    too                    who                  lose

• Choose the word that has the underlined part pronounced differently from the rest:

  fewer                    wonderful                     swallow                     chew