Answered

Discover the answers you need at Westonci.ca, where experts provide clear and concise information on various topics. Join our Q&A platform and connect with professionals ready to provide precise answers to your questions in various areas. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

cho tam giác ABC vuông tại A .Gọi O là trung điểm của BC .Trên tia dối của tia OA lấy điểm D sao cho OA=OD.Chứng minh:
a)tam giác OAB = tam giác ODC
b)góc ACD=90 độ và AB//CD c)BC=2.OA

Sagot :

We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. Discover more at Westonci.ca. Return for the latest expert answers and updates on various topics.