30 degree angle 3 videos
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Angles
Pre-Algebra Introductory Geometry
Vocabulary of angles and how to measure an angle with a protractor
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Classifying and Naming
Pre-Algebra Polynomials
Vocabulary of classifying polynomials by degree and number of terms
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Similar Triangles
Pre-Algebra Introductory Geometry
Overview of similarity: congruent angles, proportional corresponding sides
