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  1. Geometry lessons - School Yourself

    Essential stuff for describing the world around you. 1. Lines and angles. 2. Related angles. What about angles bigger than 360 degrees? 3. Triangles. See if it's really true, and then prove it! They have two …

  2. Introduction to Geometry - YouTube

    This video tutorial provides a basic introduction into geometry. Geometry Introduction: • Introduction to Geometry ...more

  3. Basic Geometry

    Understanding these fundamental concepts lays the foundation for exploring more advanced topics in geometry. This lesson introduces these basic geometric elements with definitions, examples, and …

  4. Geometry - GeoGebra

    Interactive, free online geometry tool from GeoGebra: create triangles, circles, angles, transformations and much more!

  5. Get ready for Geometry | Math | Khan Academy

    Get ready for high school geometry! Learn the skills that will set you up for success in congruence, similarity, and triangle trigonometry; analytic geometry; conic sections; and circles and solid geometry.

  6. Geometry - how to articles from wikiHow

    Learn about topics such as How to Calculate the Circumference of a Circle, 12 Sacred Geometry Symbols & What They Mean, How to Find the Center of a Circle, and more with our helpful step-by …

  7. Geometry - Math is Fun

    Geometry is all about shapes and their properties. If you like playing with objects, or like drawing, then geometry is for you!