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loris [4]
2 years ago
15

Cho ∆ABC;phân giác AD,BE,CF cắt nhau tại I . a, Góc IAC+góc IBC+ góc ICA=? b, Kẻ IH vuông góc với BC . C/m Góc BIH=góc CID

Mathematics
1 answer:
Iteru [2.4K]2 years ago
4 0
Can you post a pic???
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Step-by-step explanation:

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<h2>Question:</h2>

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