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# EuclideanGeometry

### EuclideanGeometry Chapter 1

What is an unproven statement that is based on observations? Conjecture
What is a process that involves looking for patterns and making conjectures? Inductive reasoning
What is an example that shows a conjecture is false? Counterexample
What has no dimension? A point
What can extend in ONE dimension? A line
What can extend in TWO dimensions? a plane
What are points that lie on the same line? Collinear points
What are points that lie on the same plane? Coplanar points
All the points on a line between 2 points is called what? segment
What are the points at the beginning and end of a line segment called? endpoints
What has an initial point only? ray
If point C is between point A and point B and ray CA and CB are what type of rays? opposite
If 2 or more geometric figures have 1 or more points in common, then they do what? intersect
What is a rule that is accenpted without proof? Axiom or postulate
What is the real number that corresponds to a point? Coordinate
How do you write the distance between point A and B? AB
What is the absolute value of the difference between 2 coordinates called? distance
What can AB also be represent? length
WHat do you say when 3 points are on a line? One of them is BETWEEN the other two.
What is Postulate 2 Segment addition Postulate? If B is between A and C, then AB + BC = ACAB + BC = AC, then B is between A and C
A formula for computing the difference between two points in a coordinate plan is called what? Distance Formula
What is the DIstance Formula?
What are segments that have the same length called? congruent segments
Created by: ves12293