Mathematics, 30.07.2021 05:00, psychocatgirl1

Cho tam giác ABC vuông tại A ,có AH là đường cao , cho HB =4cm, HC=9cm. a) Tính AH ,AB, AC b)Tính góc B, C

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Cho tam giác ABC vuông tại A ,có AH là đường cao , cho HB =4cm, HC=9cm. a) Tính AH ,AB, AC b)Tính gó...