Mathematics, 26.07.2021 18:20 kaleyahkay7474
Cho tam giác ABC cân tại A , BD vuộng góc với AC, CE vuông góc với AB, BD và CE cắt nhau tại H a) Chứng minh BD=CE b) tam giác BHC cân c) chứng minh AH là đường trung trực của BC d) Trên BD lấy K sao cho D là trung điểm của BK. So sánh góc ECBvaf góc DKC
Answers: 1
Mathematics, 21.06.2019 16:00
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Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).
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Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?
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Cho tam giác ABC cân tại A , BD vuộng góc với AC, CE vuông góc với AB, BD và CE cắt nhau tại H a) Ch...
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