Cho hình chóp đều S. ABC có cạnh bên bằng a hợp với đáy ABC một góc . Tính thể tích hình chóp.  

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose a word that has different stress pattern:

  economic              experience               entertainment               introduction

• Choose a word that has different stress pattern:

  achievement               communist              constantly               government

• Choose a word that has different stress pattern:

  heavy               major                program              reform

• Choose a word that has different stress pattern:

  production               consumer                  domestic                 business

• Choose a word that has different stress pattern:

  hospital              inflation              policy                  constantly

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

  The term economic reform refers to policies directing by the government to achieve improvements in economic efficiency.

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

  Economic reform usually refers to actions of the government to improve efficiency in economy markets.

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

  Economic reform has dominated Australian economic policy from the early 1980s until the end of the 20^_th century.

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

  The goal of Chinese economic reform was to generating sufficient surplus value to finance the modernization of the mainland Chinese economy.

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

  Economic reforms started since 1986 in Vietnam have helped millions of people to be out of poverty and bringing the poverty rate down.