Shared Flashcard Set

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Angles
First week of Geometry
17
Mathematics
10th Grade
07/29/2012

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Cards

Term
Point
Definition
Is a location.
Term
Line
Definition
It has to have at least two points and it goes on forever.
Term
Ray
Definition
It has an end point and it goes on forever.
Term
Plane
Definition
Made up of many many lines going in the same direction. Two dimensional and has three points.
Term
Space
Definition
Everything, contains everthing. Infinite points.
Term
Collinear
Definition
When points are together on a line.
Term
Coplanar
Definition
Points on the same plane.
Term
Acute Angle
Definition
Smaller than 90 degrees.
Term
Obtuse Angle
Definition
More than 90 degrees, less than 180 degrees.
Term
Straight Angle
Definition
180 degrees exactly.
Term
Right Angle
Definition
90 degrees exactly.
Term
Complementary
Definition
Angles that add to 90 degrees.
Term
Supplementary
Definition
Angles that add to 180 degrees.
Term
Vertical
Definition
Opposite angles when two lines are cross.
Term
Congruent
Definition
Means equal.
Term
Bisector
Definition
Two equal sections that cut in half.
Term
Segment
Definition
A line with two end points and it doesn't go on forever.
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