Cho khối lăng trụ đứng $ABC.A^{\prime }{B}^{\prime }{C}^{\prime }$ có $B{B}^{\prime }=a,$ đáy $ABC$ là tam giác vuông cân tại $B$ và $AC=a\sqrt{2}$ . Tính thể tích $V$ của khối lăng trụ đã cho?

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Find a mistake in the four underlined parts of the sentence and correct it:

  The mother asked the little boy whether he was sorry for what he has done.

• Find a mistake in the four underlined parts of the sentence and correct it:

  You would have seen my garden at its best if you were here last week.

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

  The police have not investigated the theft yet.
  
  

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

  “Where were you last night, Mr. Jenkins?” he said.
  
  

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

  I didn’t notice him. That’s why I didn’t say hello.
  
  

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

  Whatever has been ordered will be delivered.
  
  

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

  Harold last went fishing five months ago.
  
  

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

  comprise                  across                       hummock                    society

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

  south                  north                smooth                 growth

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

  lake                    plant                    made                   later