Classifying Triangles by Their Angles or by Their Sides
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A Maths Dictionary for Kids: Triangle
Navigate through the dictionary to find definition for Triangle, and spend some time examining the many different types/classifications of triangles.
Illuminations: Triangle Classification
Line segment AB is drawn in the plane. Where should point C be placed so that ABC is a right triangle? …so that it is an isosceles triangle? …so that it is obtuse? This activity will allow you to explore these questions.
ExploreLearning: Classifying Triangles
Place a constraint or condition on the triangle, and manipulate its shape, sides, and angles to change the identifying properties of the triangle. Great for practicing triangle vocabulary, such as scalene, isosceles, obtuse, acute, etc. Also use the side and angle measurement tools to identify more characteristics about the triangle.
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