cho tam giác abc vuông tại a đường cao ah.biết bc =1 ac=2 căn 5. tính độ dài bc ab ah

Cali: yêu DƯƠNG TỬ NL:....................................................................................

Nêu cách vẽ người đẹp nhất. P/s: Có ai biết tìm cái nào kiểu này ko cho em xin với. Ko cho em xin tên cũng được Vô cùng cảm ơn mn.

I . PRESENT PARTICIPLE (V-ING) or PAST PARTICIPLE (V-ED) Combine These Pairs Of Sentences Using PRESENT PARTICIPLE (V-ING) or PAST PARTICIPLE (V-ED) 1. The first boy has just moved. He knows the truth. 2. I don't remember the man. He was attacked at the canteen last week………………………………………….. 3. The only thing is how to go home. It make me worried. ………………………………………. 4. The most beautiful girl lives in this city. I like her very much. ………………………………………. 5. Tom has a big car. I always met him. ………………………………………. 6. The children often go swimming on Sundays. They have much free time ………………………………………. 7. They are looking for the man and his dog. They were arrested by the rodders in the forest. ………………………………………. 8. The tree has lovely flowers. The tree stands near the gate of my house. ………………………………………. 9. My wife wants you to come for dinner. You were speaking to my wife………………………………………. 10. The last man has just returned from the farm. I want to talk to him at once. ……………………………………….

Cho hình chữ nhật ABCD, AB=8cm, BC=6cm BH ⊥⊥ AC tại H, DM ⊥⊥ AC tại M - CM : tam giác ABH đồng dạng với tam giác ACB từ đó suy ra AC.AH=AB2 - Tính AC,BH,CH ?

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mng giúp e với ạ , có gì kh hiểu hỏi ở phần chi tiết ạ , 7h e nộp ròi ạ , làm hết càng tốt , chép mạng cũng đc ạ

Bài 18: Điền “do, play, go” vào chỗ trống sao cho thích hợp. 1. He used to ________ jogging every morning when he was young boy. 2. This summer, Tim is going to ________ horseback riding. 3. You play rugby on a pitch. Where do you ________ badminton? 4. Steven and his son ________ hiking in woods every summer. 5. I don’t have much free time but sometimes I ________ soccer with my friends. 6. Tell me, where are you going to ________ skiing this winter? 7. I ________ fishing on Saturdays and I ________ yoga on Sundays. 8. Karate is a great exercise for me but learning how to ________ karate well takes a lot of time. 9. Why don’t we ________ a set of tennis? 10. He wants to ________ sailing between the Hawaiian islands in this summer. nhanh giúp mình nha cho ctlhn + 5 sao + cảm ơn nhưng phải đúng

Thực hiện phép tính sau: 2x+3y/2-x : 4x^2+12xy+9y^2/x^3-8