Mathematics, 24.07.2021 01:00, unii

Cho tam giác ABC vuông tại A có AH là đường cao. a) Chúng MInh tam giác ABC đồng dạng với tam giác HBA. Từ đó suy ra AB bình phương=BH. BC b)Chứng minh AH bình phương=BH. CH

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Cho tam giác ABC vuông tại A có AH là đường cao. a) Chúng MInh tam giác ABC đồng dạng với tam giác H...

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