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Line geometry Line segment Point geometry Dimensions geometry Video transcript What I want to do in this video is give an introduction to the language or some of the characters that we use when we talk about geometry.
And I guess the best place to start is even think about what geometry means, as you might recognize the first part of geometry right over here. You have the root word geo-- the same word that you see in things like geography and geology. And this refers to the Earth. My E looked like a C right over.
This refers to the Earth. And then you see this metry part. And you see metry in things like trigonometry as well and metry or the metric system.
And this comes from measurement or measure. So when someone's talking about geometry, the word itself comes from Earth measurement. And that's not so bad of a name, because it is such a general subject.
Geometry really is the study and trying to understand how shapes and space and things that we see relate to each other. So when you start learning about geometry, you learn about lines and triangles and circles. And you learn about angles.
And we'll define all of these things more and more precisely as we go further and further on. But it also encapsulates things like patterns and three-dimensional shapes. So it's almost everything that we see. All of the visually mathematical things that we understand can in some way be categorized in geometry.
Now, with that out of the way, let's just start from the basics, a basic starting point from geometry. And then we can just grow from there. So if we just start at a dot, that dot right over there, it's just that little point on that screen right over there.
We literally call that a point. And I'll call that a definition.Being a hacker is lots of fun, but it's a kind of fun that takes lots of effort. The effort takes motivation. Successful athletes get their motivation from a kind of physical delight in making their bodies perform, in pushing themselves past their own physical limits.
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Google has many special features to help you find exactly what you're looking for. In this lesson you will learn how to label and name points, lines, rays and angles by using math notation.