Practice Problems

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Isosceles Triangles

Equilateral (Equiangular) Triangles

Classifying Triangles

In this video, I discuss both ways you can classify triangles. I explain you can classify triangles by their angles as either acute, right, or obtuse triangles. I also explain that you can classify triangles by their sides as either scalene, isosceles, or equilateral triangles. I also talk about equiangular triangles being a special kind of acute triangle. I end the lesson explaining that if you have an equilateral triangle you will also have an equiangular triangle.