C
congtusang


cho tam giac ABC vuong tai A, duong cao AH, cho AB<AC, [tex] AH=\frac{6\sqrt{13}}{13} [/tex]( thong cam minh ko biet su dung dau can nhu the nao), [tex]B=\sqrt{13}[/tex] . tinh AB Va AC
Chú ý latex
Chú ý latex
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