UNDERSTANDING POINTS, LINES, AND PLANE, Study notes of Geometry

Download UNDERSTANDING POINTS, LINES, AND PLANE and more Study notes Geometry in PDF only on Docsity! UNDERSTANDING POINTS, LINES, AND PLANE Undefined terms are terms that do not have a formal definition but there is an agreement to what they mean. UNDEFINED TERMS NAME A point has no size and A capital letter. Shown is represented by a dot. in the diagram are points A and C. i i DIAGRAM,' A line is a straight path that has no thickness and extends forever. A lower case letter in script or two points over a line. Points can be written in either order. Shown in the diagram is line t also known as A plane is a flat surface that has no thickness and extends forever. A capital letter in script or three points not on a line. Shown in the diagram is Plane b also known as Plane ABC. OTHER TERMS DEFINITION EXAMPLE Collinear Points that lie on the sarne line D Coplanar Points that lie in the same plane 8 v l C'/ : Points A, 8, C'are collinear. Points A, B, and 0 are not collinear. ..,. '\ " \H \€! \ \ Points F, G, H are coplanar. Points F, G, J are not coplanar. SEGMENT Part of a line that consisting of two points and all points between them. Written as the two points with a line over them. Can be written in either order. C1. .t.:------~ -_. This is segment FG or-segment GF.