Cho lăng trụ tam giác đều ABC.A’B’C’, cạnh đáy bằng a. Cho góc hợp bởi (A’BC) và mặt đáy là 30. Thể tích khối lăng trụ ABC.A’B’C’ là:         

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Một số câu hỏi khác có thể bạn quan tâm.

• Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions:

  One prefers to shop at Harrods, ________?         

• Mark the letter A,B,C or D on your answer sheet to indicate the correct answer to each of the following questions.  

  We ________ for this opportunity for more than three years.           

• Mark the letter A,B,C or D on your answer sheet to indicate the correct answer to each of the following questions.    

  During the week of the national tourism festival, we had visitors _______ from all over the country.         

• Mark the letter A,B,C or D on your answer sheet to indicate the correct answer to each of the following questions.    

  Going on this diet has really ________ me good. I’ve lost weight and I feel fantastic!         

• Mark the letter A,B,C or D on your answer sheet to indicate the correct answer to each of the following questions.    

  I have lived near the airport for so long now that I’ve grown ________ to the noise of the airplanes.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions:

  A native speaker of Spanish, for example, will__________to learn than a native speaker of Chinese.          

• Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions:

  I couldn’t help__________when I saw your face after making up.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions:

  The university__________by private funds as well as by tuition income and grants.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions:

  When she__________at the new dress for half part an hour, she asked how much it__________.  

• Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions:

  The richer she is,__________selfish she becomes.