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McGraw Hill Glencoe Geometry, 2012 View details

1. Points, Lines, and Planes

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Exercise 23 Page 9

What are the properties of points, lines, and planes?

See solution.

Practice makes perfect

Let's recall what the definitions of a point, a line, and a plane.

A point is a location. The corners of the roof are points.
A line is a collection of points. The edges of the roof extend to intersecting lines.
A plane is a flat surface made up of points. The roof itself is part of a plane.