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Page 1: Scanned by CamScannerquantri.longbien.edu.vn/data/hnedu/thcsaimo/attachments/2017_11/tainguyen/on-tap/k8/...Bài 11 :Cho tam giác ABC vuông ð A, duðng cao AH. Kè HD vuông góc

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Page 2: Scanned by CamScannerquantri.longbien.edu.vn/data/hnedu/thcsaimo/attachments/2017_11/tainguyen/on-tap/k8/...Bài 11 :Cho tam giác ABC vuông ð A, duðng cao AH. Kè HD vuông góc

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Page 3: Scanned by CamScannerquantri.longbien.edu.vn/data/hnedu/thcsaimo/attachments/2017_11/tainguyen/on-tap/k8/...Bài 11 :Cho tam giác ABC vuông ð A, duðng cao AH. Kè HD vuông góc

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Page 4: Scanned by CamScannerquantri.longbien.edu.vn/data/hnedu/thcsaimo/attachments/2017_11/tainguyen/on-tap/k8/...Bài 11 :Cho tam giác ABC vuông ð A, duðng cao AH. Kè HD vuông góc

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