Mathematics, 26.07.2021 19:50 sierravick123owr441

Cho tam giác abc có : ab = 5 ; bc= 12; ac =10 . tính bán kính đường tròn nội tiếp tam giác abc

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Cho tam giác abc có : ab = 5 ; bc= 12; ac =10 . tính bán kính đường tròn nội tiếp tam giác abc...

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