Mathematics, 10.10.2021 14:20 SmokeyRN
Cho hình vuông ABCD có cạnh a . I là trung điểm của AB , H thuộc DI , AH vuông góc BC
chứng minh a) tam giác CHD cân
b) tính diện tích tam giac CHD
Answers: 1
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Cho hình vuông ABCD có cạnh a . I là trung điểm của AB , H thuộc DI , AH vuông góc BC
chứng minh a...
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