Mathematics, 26.07.2021 15:00 shanicar33500

Cho tam giác ABC vuông tại A điểm D nằm giữa Avà B vẽ đường tròn đường kính BD cắt BC tại E , đoạn thẳng CD và AE theo thứ tự cắt đường tròn tại điểm thứ 2 là F và G a, chứng minh tam giác ABC đồng dạng với tam giác EBD
b, chứng minh 4 điểm A, D,E, C thuộc 1 đường tròn
chứng minh 4 điểm A, F,B, C thuộc 1 đường tròn
c, chứng minh AC song song FG
d, chứng minh AC, DE, BF đồng quy

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Cho tam giác ABC vuông tại A điểm D nằm giữa Avà B vẽ đường tròn đường kính BD cắt BC tại E , đoạn t...

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