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g e o m e t r y.


space space is a boundless 3-dim ensional set of all points.
intersecting planes intersecting planes share an infinite number of points.
plane a plane is a flat surface that has no thickness.
postulate a statement accepted to be true without proof.
line segment a line segment is a portion of a line betweentwo points called endpoints.
point a point has no length, no width, or thicknes, but has a position.
opposite rays opposite rays start at the same point.
ray a ray is a part of a line that consist of an initial point.
parallel lines parallel lines are coplanar lines that do not intersect.
coplanar figure in the same plane
angle formed by two rays with the same endpoint.
coordinate a point by any order.
perpendicular lines lines that intersect and form right angles.
right angle measures exactly 90 degrees.
obtuse angle measures more than 90 degrees.
skew lines noncoplanar lines.
midpoint a point that divides a segment into two congruent segments.
acute angle measures less then 90 degrees.
parallel planes do not intersect.
protactor measuring device for angles.
Created by: karsonjamarae13