user-avatar
nhungleeyoona70908
2 năm trước
Cho ∆ABC, lấy M là trung điểm của cạnh BC. Trên tia đối của tia MA lấy điểm D sao cho MA = MD. Chứng minh rằng: a)∆AMB =∆DMC b) AC // BD c) Gọi I là trung điểm của AC, vẽ điểm E sao cho I là trung điểm của BE. Chứng minh C là trung điểm của DE.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. ______is a type of bed used for carrying the sick or injured people. CRUTCH COUCH STRETCHER DRESSING 2. She _________tight to the handrail HELD CAUGHT KEPT TOUCHED 3.I forgot thanking them ________helping me. FOR IN WITH AT 4.The farmers look for other work _________get more money for their family NOT TO IN ORDER THAT SO THAT NOT SO AS TO 5.The young lady _____________ in front of that shop is Mai’s sister. STANDS IS STANDING STANDING STOOD 6.Try to____amount of fat in your diet. REUSE REFILL RECYCLE REDUCE 7.The camera _____________ in Japan is very expensive. MADE MAKES MAKING MAKE 8.Hoa sells flowers. She is a _____________ . FLOWER BUYER FLORIST FLOWRIST 9.They moved to the big city _________well-paying jobs TO GET SO AS NOT TO IN ORDER TO NOT NOT TO 10.Tree leaves____to wrap things SHOULD USE USE SHOULD BE USED ARE USING 11.She covered her knees _________a handkerchief WITH ON BY ALL ARE CORRECT 12.I think I _________home across the park WALK WILL WALK WAKED AM WALKING 13.I am delighted_____you passed your exam. THAT ORDER TO SO AS TO FOR 14.Can we travel across the river in this _____________ CAR CANOE TRUCK BIKE 15. There is a big, well-known_____________ institute in Nha trang. OCEAN SEA OCEANIC MARINE 16.It is_____ to park in the center of Newtown. IMPOSSIBLY POSSIBILITY IMPOSSIBLE IMPOSSIBILITY

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