Warm Up.

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Presentation transcript:

Warm Up

At the end of the class each student should be able to identify and create points, lines, and planes.

Why does a four-legged chair sometimes wobble? Will a three legged chair wobble?

A point is simply a location.

A line is made up of points and has no thickness or width.

Points on the same line are said to be collinear.

A plane is a flat surface made up of points. Points that lie on the same plane are said to be coplanar.

Examples of a point.

Example of a line.

Example of a plane.

What is this an example of?

Homework: Lesson 1-1, p. 9 #13-28 30-37 56 & 57 (26 problems)