Cho tam giác abc vuông tại a biết ab = 9 và góc c = 30 độ
a) giải tam giác abc vuông
b) kẻ đ...
Mathematics, 16.10.2021 20:00 depaze6652
Cho tam giác abc vuông tại a biết ab = 9 và góc c = 30 độ
a) giải tam giác abc vuông
b) kẻ đường cao tam giác ah của tam giác abc .tính ah , bh
c)
Answers: 3
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