user-avatar
havilt1
2 năm trước
Bài 6 cho đoạn thẳng AB=6cm lấy hai điểm D và C thuộc đoạn AB sao cho AC=BD=2cm.gọi M là trung điểm của AB. A)giải thích vì sao m cũng là trung điểm của đoạn thẳng CD B)tìm trên hình vẽ các điểm khác cũng là trung điểm
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Giúp với !!!!!! I. Mark letter A, B, C, or D to indicate the word whose underlined part is pronounced differently from that of the others in each group. 1.A. decided B. delighted C. frustrated D. annoyed 2.A. consider B. consist C. reliable D. curriculum II. Mark letter A, B, C, or D to indicate the word whose main stress position is placed differently from that of the others in each group. 3.A. homeless B. allergy C. community D. country 4.A. delicious B. disabled C. curriculum D. elderly III. Mark letter A, B, C, or D to indicate the correct preposition or adverb particle that completes the sentences. 5.Harrison’s greatest attribute is his ability to work _____ pressure. A. in B. on C. within D. under 6. Football is regarded __________ the most popular sport in the world. A. for B. as C. like D. of IV. Mark letter A, B, C, or D to indicate the words OPPOSITE in meaning to the underlined word. 7. My elder sister failed her exam, which depressed my parents. A. embarrassed B. pleased C. encouraged D. disappointed V. Mark letter A, B, C, or D to indicate the correct word or phrase to complete each of the sentences. 8.- Tom: "You've got a lovely singing voice, Mary." - Mary: " _____ " A. Congratulations! B. No, thanks. C. Thank you. D. It's all right. 9. Thousands of people _____ homeless after the earthquake and tsunami in Japan a few months ago. A. become B. are becoming C. became D. will become. 10. Generally, Jack's uncle doesn't mind _____ the housework, but he hates to do the cooking. A. doing B. to do C. done D. do 11.As we walked past, we saw john_____ his car. A. repair B. repairing C. to repair D. repaired VI. Mark letter A, B, C, or D to indicate the part that is incorrect 12.Neither Mary nor her friends is going shopping today. A. is B. friends C. shopping D. Neither 13. Do you want me take photos for you ? A. do B. me take C. photos D. you

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