October 2021 0 7 Report
B треугольнике авс угол с равен 90градусов AC =3, tg A= √7/3 .найдите AB. правильное ли решение? tg A= AC/BC ⇒ BC = AC/tg A BC= 3/(√7/3)=√7 AB=√AC^2 BC^2= √3^2+(√7)^2=9+7=√16=4 AB=4
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