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10 geomerty vocab

acute angle an angle with measure between 0 degrees and 90 degrees.
adjacent angle two angles with a common vertex and side but no common interior points
angle consists of two diffrent rays that have the same initial point
angle bisector a ray that divides an angle into two adjacent angles that are congruent
collinear points points thta lie on the same line
congruent having the same size and shape
congruent angels angles having thye sam e mesure
coordinate the real number that corresponds to a point on a line
coplanar points points that lie on the same plane
distance the abdolute value of the diffrence between the coordinates of the points
equal having the same measure
intersect to have one or more poins in common
length the distance between the andpoints of a segment
line extends infiniely in one dimension
midpoint the point that divides, or bisects a segment into two congruent segments
obtuse angle an angle with measure between 90 degrees and 180 degrees
oppposite rays two rays with the same inital point extending in oppositde directions
plane extends infinitely in two demensions
point has no dimension
ray part of a linethat consists of an initial point and all points on a line that extend in one direction
right angle an angle with measure equal to 90 degrees
segment part of a line that consists of two endpoints and all points between the endpoints
segment bisector a segment, line, ray or plane that intersects a segment as its midpoint
skew lines two lines that do not intersect and are not coplanar
straight angle an angle with measure equal to 180 degrees
vertex of an angle the inital point of the two rays that create the angle
Bisect cut in half
definition Uses known words to describe a new word
Undefined Term Words that are not formally defined, although we have a general agreement about what each word means. Examples include “point”, “line” and “plane.”
Postulate (Axiom) A statement whose truth is accepted without proof
Theorem A statement that is proved by deductive reasoning
Created by: katcanny