user-avatar
Nam8952875
2 năm trước
Cho Tam giác ABC vuông tại A kẻ phân giác BD cắt đường cao AH tại E a) C/m ABC đồng dạng HBA b) C/m BE.AD = BD.HE c) Tính diện tích tam giác AEB biết AB = 15 cm, AC = 20 cm
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

the questions. Sydney is Australia’s most exciting city. The history of Australia begins here. In 1788 Captain Arthur Philips arrived in Sydney with 11 ships and 1624 passengers from Britain (including 770 prisoners). Today there are about 3.6 million people in Sydney. It is the biggest city in Australia, the busiest port in the South Pacific and one of the most beautiful cities in the world. In Sydney, the buildings are higher, the colors are brighter and the nightlife is more exciting. There are over 20 excellent beaches close to Sydney and its warm climate and cool winter have made it a favorite city for immigrants from overseas. There are two things that make Sydney famous: its beautiful harbor, the Sydney Harbor Bridge, which was built in 1932 and the Sydney Opera House, which was opened in 1973. Question 28: Where did the history of Australia begin? A. in the South Pacific B. in Britain C. in Sydney Harbor D. in Sydney

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