user-avatar
tnthang987
2 năm trước
Cho hình thang ABCD (AB // CD) có 𝐴̂= 3𝐷̂ ; 𝐵̂=𝐶̂; AB = 3cm;CD = 4cm. Tính đường cao AH của hình thang ABCD và diện tích hình thang?
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Choose the word whose underlined part has a different pronunciation from the others in each group Question 1: A. chemist B. change C. child D. cheap Question 2: A. fork B. world C. sport D. north Question 3: A. plenty B. fairy C. sky D. weekly Question 4: A. feather B. head C. healthy D. meat Question 5: A. much B. cute C. cut D. sun Choose the word whose main stress is placed differently from the others in each group Question 6: A. student B. member C. prefer D. teacher Question 7: A. subject B. hello C. teacher D. thousand Question 8: A. lesson B. woman C. repair D. father Question 9: A. above B. sister C. widen D. very Question 10: A. corner B. answer C. doctor D. prepare Select the synonym of the following bold and underlined word in each sentence in the unit Question 11: When you meet your friends, which topic do you often talk about? – Films. A. plays B. movies C. theatres D. stories Question 12: I study in class 10A with forty-five other students. A. learn B. teach C. instruct D. review Question 13: I study many subjects such as Math, Physics, Chemistry, Biology, Vietnamese Literature, History, Geography etc. A. a lot B. a lot of C. lots D. much Question 14: But I like English best because it’s an important means of international communication. A. want B. need C. enjoy D. wish Question 15: I don’t really like getting up early but I have to because I often have lessons at 7.15. A. late B. later C. first D. soon

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