Cho tam giác ABC vuông tại A, có đường cao AH. Cho AB = 6cm, AC = 8cm.
a) Tính AH, HB.
...
Mathematics, 27.09.2021 19:10 elisebaublitz2604
Cho tam giác ABC vuông tại A, có đường cao AH. Cho AB = 6cm, AC = 8cm.
a) Tính AH, HB.
b) Vẽ HM AB tại M, HN AC tại N. Chứng minh AM. AB = AN. AC.
c) Gọi K là trung điểm BC. Chứng minh AK MN.
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