Bài 1. Cho hình chữ nhật ABCD, AB = 2AD. Vẽ AM ( M thuộc DC) sao cho góc DAM = 15°. Chứng minh tam giác ABM cân
Bài 2. Cho tam giác ABC vuông tại A, AC > AB, AH là đường cao. Trên HC lấy HD = HA, đường vuông góc với BC tại D cắt AC ở E.
a) Chứng minh AB = AE.
b) Gọi M là trung điểm BE. Tính số đo góc AHM.
Làm ơn giúp mình với. Mai mình phải nộp rồi. Cảm ơn rất nhiều!
Fill in the blank with the correct form.
1. Mai is a very (consider) _____ person. She alway thinks of other and what they want.
2. It was very (think) ______ of you to play the radio so loud so lat at night.
3. I couldn't get much want doen as I was (continue) _____ being interrupted by phoning me.
4. After so much (critic) ____ he left he had to resign.
5. Knowing a lot of languages, he's in a very (advantage) _____ position.
6. The cast of (carry) _____ must be paid by the buyer
7. Burning coal is an (economy) ______ way of heating a house. Gas is much cheaper.
8. These are very few (explore) _____ places left on the earth. Mon has been nearly everywhere.