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Mathematics, 16.09.2021 14:00 pineapplefun
Cho tam giác ABC vuông tại A, đường cao AH = 12cm, BH = 9cm.
a) Tính các cạnh của tam giác ABC.
b) Từ B vẽ đường thẳng vuông góc với AB, đường thẳng này cắt đường thẳng AH tại D. Tính chu vi và diện tích tam giác HCD.
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Cho tam giác ABC vuông tại A, đường cao AH = 12cm, BH = 9cm.
a) Tính các cạnh của tam giác ABC.
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