Cho tam giác ABC vuông tại A
tính BC biết AB =12cm, AC=9cm
kẻ tia phân giác của góc ABC cắt A...
Mathematics, 26.07.2021 19:00 rdeloney4
Cho tam giác ABC vuông tại A
tính BC biết AB =12cm, AC=9cm
kẻ tia phân giác của góc ABC cắt AC tại M từ M kẻ MK vuông góc BC tại K
CM ; tam giác ABM=KBM
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