Shared Flashcard Set

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Geometry
Mr. Laramie
39
Mathematics
9th Grade
01/26/2011

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Cards

Term
Coordinates Of A Point
Definition
(X,Y)
Term
Conjecture
Definition
A conclusion based on inductive reasoning
Term
Point
Definition
A location, no size, small dot named by a capital letter
Term
Midpoint
Definition
A point that divides the segment into two congruent segments
Term
Angle Bisector
Definition
A ray that divides an angle into two congruent coplanar angles at the midpoint
Term
Line
Definition
A series of points extend in two opposite directions
Term
Postulate
Definition
An accepted statement of fact
Term
Right Angle
Definition
Angle is 90
Term
Obtuse Angle
Definition
Angle is greater then 90 less than 180
Term
Straight Angle
Definition
Angle whose measure is 180
Term
Congruent Angles
Definition
Angles with the same measure
Term
P-Q
Definition
Conditional
Term
Q-P
Definition
Converse
Term
Parallel Lines
Definition
Coplanar lines that do not intersect
Term
Space
Definition
Defined as the set of all points
Term
Counterexample
Definition
Example of where the conjecture is incorrect
Term
Plane
Definition
Flat surface with no thickness
Term
Coordinate
Definition
How to find a point
Term
Hypothesis
Definition
If is the hypothesis
Term
Conditional
Definition
If-Then statement
Term
Perpendicular Bisector
Definition
Is a line, segment, or ray that is perpendicular to the segment at the midpoint
Term
Ray
Definition
Line consisting of one endpoint and all points of the line on one side
Term
Skew Lines
Definition
Non-coplanar, they are not parallel and do not intersect
Term
Segment
Definition
Part of a line consisting of two endpoints and all points inbetween
Term
Parallel Planes
Definition
Planes that do not intersect
Term
Coplanar
Definition
Points and lines in the same plane
Term
Collinear
Definition
Points that lie on the same line
Term
Inductive Reasoning
Definition
Reasoning based on patterns you observe
Term
Conclusion
Definition
Then is the conclusion
Term
Linear Pair
Definition
Two adjacent angles whose sim is 180
Term
Supplementary Angles
Definition
Two angles whose measures have a sum of 180
Term
Complementary Angles
Definition
Two angles whose measures have a sum of 90
Term
Opposite Rays
Definition
Two collinear rays with the same endpoint
Term
Perpendicular Lines
Definition
Two lines that intersect to form right angles
Term
Vertical Angles
Definition
Two non-adjacent angles formed by two lines
Term
Adjacent Angles
Definition
Two non-overlapping angles that share a common side and vertex
Term
Angle
Definition
Two rays with a common endpoint
Term
Congruent Segments
Definition
Two segments with the same length
Term
Acute Angle
Definition
angle is greater than 0 less than 90
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