Скачать или смотреть Special Lines in Triangles: Bisectors, Medians, and Altitudes

What's a median? Or an altitude? They are special lines you can make with a triangle. And what's a circumcenter, or a centroid, or an orthocenter? These are some special points that relate to triangles. Not every geometry course covers this terminology, but it's super interesting, so take a look!

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