# Right Triangles

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 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: 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: 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 Right triangle     Definition and properties of right triangles Math Open Reference Find Out Things About a Squares     This website will help you with squares and their properties. Such as side length, diagonal length, area and perimeter. WebMath Find Out Things About a Right Triangle     This page will allow you to calculate things related to a right triangle. Such as the base, the height, area, perimeter, and Pythagorean Thm. WebMath Online Scientific Calculator     A helpful scientific calculator that runs in your web browser window. Holt Online Learning 3:4:5 Triangle Definition     Definition and picture of a 3:4:5 triangle. Gives other examples of pythagorean triplets. Math Open Reference 45-45-90 Triangle Definition     Definition of a 45-45-90 triangle and the ratio of its sides. Includes a great picture. Math Open Reference
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