Cho tam giác ABC. Trên cạnh AB lấy điểm M sao cho AM = AB. Trên cạnh AC lấy điểm N sao cho AN = 2NC. Đường thẳng MN cắt cạnh BC kéo dài tại D. Hãy so sánh BC và CD.

Các câu hỏi liên quan

Ex 3: Combine each pair of the sentences to form a complex sentences, using the suitable conjunction 1. Dog is my favorite animal. They are good companions of people. ………………………………………………………………………………………………… 2. I don’t like jazz. A friend of mine is a fan of it. ………………………………………………………………………………………………… 3. They were stuck in the traffic for hours. They managed to get there on time. ………………………………………………………………………………………………… 4. I came to the party. Everyone was leaving. ………………………………………………………………………………………………… 5. This time Jane works very hard. She doesn’t want to fail the exam again. ………………………………………………………………………………………………… 6. I seldom do exercises. Doing exercises is good for health. ………………………………………………………………………………………………… 7. My computer is old-fashioned. It functions very smoothly. ………………………………………………………………………………………………… 8. I didn’t know her real name. People always called her by her nickname. …………………………………………………………………………………………………