CHÚC BẠN HỌC TỐT!!!
Đáp án:
Đó chắc họ biên soạn nhầm nha bạn, đúng là: I là trực tâm ΔBDC.
Giải thích các bước giải:
$BO \perp CD ⇒ BO$ là đường cao $ΔBDC$
$CM \perp BD ⇒ CM$ là đường cao $ΔBDC$
Mà $BO$ cắt $CM$ tại $I ⇒ I $ là trực tâm $ΔBDC$.
mk giải chi tiết trong hình nha bạn
Question 2. Use the correct form of the verbs. 1. He was not used to (answer) ____foreigner's questions, so he (fail)______the exam. 2. John (live) _______in Miami for one year when his parents (come) _____to visit him. 3. When Mark (arrive) ,the Bakers (have)___________ dinner but they (stop) _____(talk)_______ to him. 4. He says he would rather (spend) ______the summer in the mountain. 5. You (have) _ your house (repaint)_____. at the moment 6. I should prefer (go)__ to the cinema rather than (sit)__ here (listen) ___to the radio. 7. The monument (stand)___on a hill overlooking the town. 8. He (not finish) _________it yet, He only (start) ____an hour ago. 9. I wish she (help) ________me with my homework yesterday afternoon. 10. She wishes her parents (visit) ____her next month. 11. My brother usually (go)_ to work early to avoid traffic jams. 12. I (not eat)__ anything for two days. 13. After his wife gave birth to their first son, he immediately (buy)_____ a new cradle 14. They (move) _ to HCM city in 1990 and (live) ____there since then. 5. Helen (feel) _____very well yesterday but today she (feel)_____. sick again. 16. What are you doing tonight? I (go) ___to the circus. 17. What you (do) ___last weekend? - I (go)______to the theater with my family. 18. John and I (be) _______pen pals for nearly three years. 19. Minh (know)__- a little English, so she (wish) ____she (can) speak it fluently. 20. Mary (stay)____ with us at the moment. She (be)__________ my sister's friend.
Giải hộ e bài toán này vs ạ mong mn giải nhanh hộ e
Công thức ổng quát tính diện tích hình ngôi sao $20$ cánh đều.
Thực hiện phép tính (Làm giúp em bài này vs ạ)
Phân tích thành hằng đẳng thức √2-√3
Tính nhanh Làm giúp em bài này vs ạ
Phân tích đa thức thành nhân tử 15x² +11x - 12 Làm nhanh ạk
Question 6. Choose the best answer to complete the following sentences. 1. The teacher asked me you this novel. (give / to give / giving / gave) 2. Today is hottest day of the year. (the / than / those / that) 3. They are camping next week. (go / gone / goes / going) 4. Mai helped me my housework. (at / on / with / in ) you help me , please? ( May / Should / Could / Have ) 6. Let me __ it for you. ( do / to do / doing / did ) 7. John has worked for that company_ 4 years. ( since / during / for / in ) 8. City life is different country life. ( to / form / of/ apart ) 9. What the cake like? ( does / do / are/ is ) 10. My son is too tired __dinner. (to have / have / having / had ) 11. The weather nice yesterday. ( is / was / will be / has been ) 12. He write to me once a week but he doesn't write any more. (use to/uses to/used to / using to) 13. What were you doing when the mailman to your house. (come / coming / came / comes ) 15. My mother wishes she beautiful and young forever. (can be / could be /is / has been)
Trong bài đường đi sa pa Vì sao tác giả gọi Sa Pa là “món quà kì diệu của thiên nhiên”
1 What activities do you like doing in your free time? 2 Which sports do you like doing? Which sports do you watch on TV? 3 \sit important to spend time outdoors? Why/Why not? Nhanh nha mn
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