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Published byBlake Howell Modified over 3 years ago

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Geometry Chapter 1-1

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Why do chairs sometimes wobble? What do the feet of a three legged stool represent? What do the feet of a three legged stool represent? –Points that lie in the same plane. Why does a four legged chair sometimes wobble on a flat surface? Why does a four legged chair sometimes wobble on a flat surface? –One of the legs represents a point that doesnt lie in the same plane as the other 3.

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Key Terms A point is simply a location A point is simply a location A line is made up of points that has no thickness or width. A line is made up of points that has no thickness or width. –Points that are on the same line are said to be collinear.

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Terms cont… A plane is a flat surface made up of points. A plane is a flat surface made up of points. Points that lie on the same plane are said to be coplanar. Points that lie on the same plane are said to be coplanar. A plane has no depth and extends infinitely in all directions. A plane has no depth and extends infinitely in all directions. Points are often used to name lines and planes. Points are often used to name lines and planes.

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