user-avatar
242109767054943
2 năm trước
Cho hình vuông ABCD có diện tích 18 cm2. Trên cạnh AB lấy điểm M sao cho AM = 1/3 AB. N.Nối MC, MD và BD, MC cắt DB tại điemr O. a) Tính diêni tích tam y ác AMD. b) số sánh diện tích 2 tâm giác MOD và BOC c) chứng tỏ rârằng diện tích tam giác DOC bằng tổng diện tích 2 tâm giác AMD và BOM
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. peter failed the exam because he was lazy If 2. "what are you going to do with your old car ?" I asked him I asked 3. please don't play your music so loudly would you mind 4. they spend half an hour watching the news on TV everyday It takes 5. nobody has used this room for ages This room 6. the house didn't burn down because the fire brigade came at once Unless 7. "where are you going for your holidays?" i asked them I asked 8. she was seriously ill but she enjoyed life very much In spite 9. the bridge was so low that the lorry couldn't go under it It was such 10. somebody has cleaned my shoes and brushed my suit My shoes 11. he didn't say "hello" to her this morning because he didn't see her If 12. "who did you give the money to?" asked Ann Ann asked 13. how long is it since you saw Tom? When 14. she's a faster and more careless driver than i am She drives 15. we use this room only on special occasions This room 16. the weather is bad, so we can't go for a walk If 17. "how much do you think it will cost?" he said He asked 18. i last saw him when i was a student I haven't 19. the flight to Moscow lasted more than three hours It took 20. no one can do anything unless some one gives us more infomation Nothing

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team