Mathematics, 30.07.2021 16:00 ayshajabeenmeox5jrh

Cho đường tròn (O) đường kính AB. Gọi I là trung điểm của OA. Vẽ đường tròn tâm I đi qua A, trên (I) lấy P bất kì, AP cắt (O) tại Q a) chứng minh: các đường tròn (I) và (O) tiếp xúc nhau tại A
b) chứng minh: IP // OQ
c) chứng minh: AP=PQ
d) xác định vị trí của P để tam giác AQB có diện tích lớn nhất

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Cho đường tròn (O) đường kính AB. Gọi I là trung điểm của OA. Vẽ đường tròn tâm I đi qua A, trên (I)...

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