в треугольнике ABC угол C=90, AB=25, tg угла A=0,75. Найдите сторону AC
5625x^2 +10000x^2=625
15625x^2=625
x^2=0.04
x=0.2
0.2*100=20
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5625x^2 +10000x^2=625
15625x^2=625
x^2=0.04
x=0.2
0.2*100=20