# 1 2 think about a plan points lines and planes

- Plane Geometry – point, line and plane
- An introduction to geometry
- Points, Lines, and Planes
- CHEAT SHEET

## Plane Geometry – point, line and plane

Points, Lines, Planes - Free download as PDF File .pdf), Text File .txt) or read You can think of a line as a series of points that extends in two opposite 2 List three different names for the plane represented by the top of the ice cube.

and what watch canSlideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy. See our Privacy Policy and User Agreement for details. Published on Jul 7, By this end of the presentation you will be able to: Identify and model points, lines, and planes. Identify collinear and coplanar points.

Points Lines and Planes in Geometry is the lesson that many teachers skip or fly through because they "assume" in huge air quotes that the students know what these things are before they get to high school geometry. Unfortunately without a great understanding of points lines and planes it's almost impossible for them to grasp the tougher stuff. In geometry, some words, such as point, line, and plane, are undefined terms. Although these words are not formally defined, it is important to have general agreement about what each word means. A point has no dimension. It is usually represented by a small dot and named by a capital letter. A line extends in one dimension.

A point in geometry is a location. It has no size i. A point is shown by a dot. A line is defined as a line of points that extends infinitely in two directions. It has one dimension, length. Points that are on the same line are called collinear points.

## An introduction to geometry

Copy the diagram of the four points A, B, C, and D. Draw as many different lines as you can to connect pairs of points. See margin, p.

## Points, Lines, and Planes

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## CHEAT SHEET

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Point , line , and plane , together with set , are the undefined terms that provide the starting place for geometry.