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IGHS Winkels

Geometry Chapter 1 Vocabulary

postulate a statement that is accepted without proof
point a location in space
line a geometric figure made up of infinitely many points; it extends endlessly in two directions
line segment a part of a line; it has two endpoints
ray a part of a line; it has one endpoint
plane a flat surface; it has no thickness; it extends endlessly in all directions
congruent line segments line segments that have the same length
midpoint the point that divides a line segment into two congruent parts
bisector a line that intersects a line segment at its midpoint
collinear points points on the same line
theorem a statement that can be proved
Created by: Winkels