Mathematics, 10.10.2021 14:00, gd9075

giúp tôi: Cho tam giác DEF vuông tại D, đường cao DH vuông góc với EF. Viết 3 định lý 1,2,3 về các hệ thức về cạnh và đường cao trong tam giác vuông DEF.

Answers: 2

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giúp tôi: Cho tam giác DEF vuông tại D, đường cao DH vuông góc với EF. Viết 3 định lý 1,2,3 về các h...