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Cho tam giác ABC vuông ở A có AB=12 cm, AC=5cm a, tính độ dài BC và góc ABC (độ lớn của góc làm tròn đến phút) b, kẻ AH vuông góc BC ,tính AH
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Cho tam giác ABC vuông ở A có AB=12 cm, AC=5cm

a, tính độ dài BC và góc ABC (độ lớn của góc làm tròn đến phút)
b, kẻ AH vuông góc BC ,tính AH

User Lemon Kazi
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english pls coz I don’t understand
User Justin Emery
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