Tam giác ABC vuông t?i A có AH vuông góc v?i BC. G?i M và N l?n l??t là hình chi?u c?a H lên AB và AC. Bi?t: AB = 6cm; BC = 10cm. Giá tr? c?a di?n tích t? giác AMHN là: (Ch? ???c ch?n 1 ?áp án) A.O $\frac{6912}{625}cm^2$ B.O $\frac{5912}{625}cm^2$ C.O $\frac{6912}{25}cm^2$ D.O $\frac{5912}{25}cm^2$
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Since triangle ABC is a right triangle with angle A being the right angle, we can use the Pythagorean theorem to find the length of AC. AC^2 = AB^2 + BC^2 AC^2 = 6^2 + 10^2 AC^2 = 36 + 100 AC^2 = 136 AC = √136 AC ≈ 11.66 cm Now, let's find the length of AH and Show more…
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