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dominhtanphatdo
2 năm trước
Cho tam giác ABC có B > C a) so sánh AB và AC b) gọi M là trung điểm BC . Trên tia đối của MA lấy D sao cho MD=MA. Chứng minh góc CDA > góc CAD c) Chứng minh tai phân giác của góc BAC nằm trong góc BAM Giải giúp mình câu b và c và vẽ giúp mình cái hình nhak cảm ơn rất nhiều
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