Câu hỏi : Cho △ABC vuông tại A, có góc B = 60 độ, tia phân giác của góc ABC cắt AC tại E, kẻ CD ⊥ BE (D ϵ BE)
a) Tính số đo các góc ACB, EBA và EBC.
b) CM : EC =EB
c) CM : BD =AC.
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* Rewrite the following sentences, using th words given
1. She have never met such a kind-hearted boy. (MOST)
2. When did you start working for your company? (HOW LONG)
3. Recently, he has eaten food with low calories as he wants to stay in shape. (IN ORDER TO)
4. I have to use public transport because of my broken bicycle. (FORCE)
5. He has had a toothache for two months. (PAIN)
6. My father enjoys climbing mountains in his fee time. (HOBBY)
7. Go Green has encouraged the residents to reduce rubbish. (BEEN)
8. My mother spends around three hours a day preparing meals. (TAKE)
9. it is difficult for me to go on a diet. (DIFFICULTY)
10. The chef has just put half a pound of pork in the soup. (BEEN)
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