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Mathematics, 18.08.2021 06:20 NickWinston261

Cho tam giác ABC có góc B =90°, AM là tia phân giác của góc A (M thuộc BC). Trên tia AC lấy điểm D sao cho AB=AD a) CM tam giác ABM=tam giác ADM
b) CM MD vuông góc AC
c) CM AM là đg trung trực của BD
d) kẻ BH vuông góc vs AC( H thuộc AC). So sánh DH và DC

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Cho tam giác ABC có góc B =90°, AM là tia phân giác của góc A (M thuộc BC). Trên tia AC lấy điểm D s...

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