Pythagorean Theorem (Popularity: ): A collection of 43 proofs - some interactive - of the Pythagorean theorem. Xah: Visual Dictionary of Special Plane Curves (Popularity: ): A Visual Dictionary of Special Plane Curves with graphics. Lessons on Perimeter and Area of Polygons from Math Goodies (Popularity: ): Discusses the perimeter of polygons, area of trapezoids, and challenge exercises. Available on CD only are the area of triangles ... Polygons (Popularity: ): Discusses the differences between the different types of these straight sided figures. Also, explains the difference between regular and irregular ...
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Lessons on Perimeter and Area of Polygons from Math Goodies (Popularity: ): Discusses the perimeter of polygons, area of trapezoids, and challenge exercises. Available on CD only are the area of triangles ... Polygons (Popularity: ): Discusses the differences between the different types of these straight sided figures. Also, explains the difference between regular and irregular ... Pythagorean Theorem (Popularity: ): A collection of 43 proofs - some interactive - of the Pythagorean theorem. Xah: Visual Dictionary of Special Plane Curves (Popularity: ): A Visual Dictionary of Special Plane Curves with graphics. Thinkquest Library's Geometry Page (Popularity: ): Covers rules for angles, right triangles and plane figures. Also, has a trigonometry section.