Here you can see a video created by KhanAcademy to help you understanding basic ideas in geometry and how we represent them with symbols.

Language and Notation of Basic Geometry


Don’t forget checking the key vocabulary, we have new words to learn now!!!!


A point is an exact position or location on a plane surface. It is important to understand that a point is not a thing, but a place. A point has no size.

  • LINE

It is a dot in movement or it is the union between two dots. Line hasn’t got a beginning or an end.

  • RAY

The ray has got beginning but not end.


It is a part of the line. It has a beginning and an end.


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