Cho hai góc phụ nhau thì:

• sin góc nọ bằng cosin góc kia

• sin hai góc bằng nhau

• tan hai góc bằng nhau

• sin góc nọ bằng tan góc kia

Answer explanation

Góc ở tâm là?

• Góc có đỉnh nằm trên đường tròn

• Góc có đỉnh trùng với tâm đường tròn

• Góc có hai cạnh là đường kính của đường tròn

• Góc có đỉnh nằm treen bán kinh của đường tròn

Answer explanation

Answer explanation

Diện tích hình tròn bán kính R=10cm là:

• 0; 2; 4 ;3

• 1; -1; 3; -3

• 0; -2; 2; 5

• 0; -2; 2; -4

Why are dogs afraid to sunbathe?

• They don't like to sunbathe

• They stay in the house all day

• They don't want to be hot-dogs

Answer explanation

What has three hands but only one face?

• Pen

• Knife

• Desert Eagle

• Clock

Mark the letter A, B, C, or D to indicate the word whose underlined part is pronounced differently from that of the rest in each of the following questions.

• particular

• superstar

• smart

• harvest

Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.

• dragon

• factor

• design

• publish

.......... accepting your job offer, I'd like to know abit more about the company

• In advance

• In order

• Until

• Before