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Take a look to our Cheat Sheet with some of the major mathematical concepts. You can download them to be by your side when you study.

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Check out our list of formulas, symbols, curves and more! Search our list of frequently asked questions for answers to your questions.

With the help of Geogebra Software, you will finally be able to understand some important concepts of geometry. Give it a try!

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"Neglect of mathematics work injury to all knowledge, since he who is ignorant of it cannot know the other sciences or things of this world. And what is worst, those who are thus ignorant are unable to perceive their own ignorance, and so do not seek a remedy."

Roger Bacon

**Radius**

A line segment where the endpoints lie one at the center of a circle and one on the circle. The term also refers to the length of this segment.