Cho khối lăng trụ tam giác đều có tất cả các cạnh bằng 2a. Thể tích khối lăng trụ đã cho bằng?  

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:

  We didn’t want to swim in the sea, that looked very dirty.

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

  I suppose that’s the house where we’ll have to stay in there.

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

  dissolve                 constant                      dominate                     promote

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

  structure                 yesterday                standard                  continue

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

  courage                 group                 country                  cousin

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

  sector               invest                  reform                 ethnic

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

  changes                  branches                   congresses                     believes

• Choose a word that has different stress pattern:

  initiate              opinion                  commitment                national

• Choose a word that has different stress pattern:

  stagnant                   foreign                       advance                         method

• Choose a word that has different stress pattern:

  agriculture                development                         professional                      unfortunate