# Similar Triangles

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 Similar Triangles Theorems that prove triangles are similar     Angles, Sides & similarity ratio math warehouse Definition of Similar Polygons     This site shows the definition of similar polygons with the relationship of corresponding angles and how corresponsing sides are in proportion. Math Open Reference Early Edge: Triangles: Perimeter and Area     In this Early Edge video lesson, you'll learn more about Triangles: Perimeter and Area, so you can be successful when you take on high-school Math & Geometry. The Princeton Review Early Edge: Complementary and Supplementary Angles     In this Early Edge video lesson, you'll learn more about Complementary and Supplementary Angles, so you can be successful when you take on high-school Math & Geometry. The Princeton Review Early Edge: Types of Angles     In this Early Edge video lesson, you'll learn more about Types of Angles, so you can be successful when you take on high-school Math & Geometry. The Princeton Review Early Edge: Equilateral, Isoceles and Scalene Triangles     In this Early Edge video lesson, you'll learn more about Equilateral, Isoceles and Scalene Triangles, so you can be successful when you take on high-school Math & Geometry. The Princeton Review Early Edge: Triangles     In this Early Edge video lesson, you'll learn more about Triangles, so you can be successful when you take on high-school Math & Geometry. The Princeton Review Triangle similarity, ratios of parts     Similar triangles - sides, medians, perimeters, altitudes all in same proportion. Math Open Reference Triangle similarity, ratios of area     Similar triangles - ratio of areas is the square of the ratio of the sides. Math Open Reference Similar Triangles Introduction     Very basic intro to similar triangles including a definition of similar triangles GCSE - General Certificate of Secondary Education
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