Cho khối chóp tam giác S.ABC. Gọi G là trọng tâm của tam giác SBC. Mặt phẳng (P) qua AG song song với BC cắt SB, SC lần lượt tại I và J. Gọi V_SAIJ , V_SABC lần lượt là thể tích của các khối tứ diện SAIJ và SABC.
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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  Do you ___________ your birthday each year? 

   

• Choose the best answer for the following sentence:

  ___________ would you like to celebrate your birthday, at the day time or in the evening?  

• Choose the best answer for the following sentence:

  Do you ___________ your birthday cake or do you buy it?
   

• Choose the best answer for the following sentence:

  Last night I _________ to my close friend's birthday party.
   

• Choose the best answer for the following sentence:

  There __________ a lot of fruit and drinks at the party yesterday.
  
  

• Choose the best answer for the following sentence:

  My close friend invited a lot of people _____________ her party.
   

• Choose the correct sentence which is built from the words and phrases given:

  place / Manila / took / Philippines / the 2nd Asian Games / in / from May 1 to May 9, 1954
  
  

• Choose the best answer for the following sentence:

  He doesn't allow us ________________ personal phone calls.
   

• Choose the correct sentence which is built from the words and phrases given:

  from / participated / competed / 19 countries / the Games / in / a total number of 970 athletes / and / in 8 sports
  
  

• Choose the correct sentence which is built from the words and phrases given:

  first / Japan / in the 2nd Asian Games / 36 silvers / ranked / consisting of / 38 golds / and / 24 bronzes / with 98 medals