Determine Similar Triangles: Angles

This video introduces the idea of similar triangles and the fact that they have three sets of equal angles. If the angles match up between two differently sized triangles, then the triangles are similar to each other.

Similar triangles share the same shape but have different sizes. These triangles have all equal angle measures but the side lengths are usually different.

Khan Academy exercise to practice:
1. Determine Similar Triangles: Angles: https://www.khanacademy.org/math/geom...


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