Средняя линия треугольника делит стороны AB и CB на равные отрезки AM и MB, CN и NB соответственно. Следовательно, AB = AM + MB = √3 + √3 = 2√3, CB = CN + NB = 2√2.
По теореме Пифагора найдем сторону АС: AC² + CB² = AB²
AC² = (2√3)² - (2√2)² = 12 - 8 = 4
AC = 2
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1. Modern life is difficul without <span><span>travelling</span>.
2. People can travel by </span><span>car, sea, air or by </span><span>train.
3. Travelling by </span><span>plane is a very fast way but it is expensive.</span>
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