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
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Definition and properties of right triangles
Math Open Reference
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Great description of the parts of a right triangle
University of Illinois at Urbana-Champaign
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A very nice graphical view of the Pythagorean theorem.
math.about
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This website will help you with squares and their properties. Such as side length, diagonal length, area and perimeter.
WebMath
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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
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This provides step by step instructions on how to solve for the sides of a right triangle given the area and perimeter.
Analyze Math
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A helpful scientific calculator that runs in your web browser window.
Holt Online Learning
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Practice using Pythagorean Theorem to solve for the third side of a right triangle. Answers included.
Math.com
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All about triangles.
Tim's Triangular Page
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