Geometry Unit 3
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Line segment and intersection
The intersection of two or more lines is the point or points that they have in common
Midpoint formula
(X1+X2/2, Y1+Y2/2)
Acute
Less than 90
^{0}
Obtuse
Is more than 90
^{o}
Right
Is exactly 90
^{o}
Angle bisector
A ray that divides an angle into two angles that are congruent
Complementry angles
Angles that add up to 90
^{o}
Supplementary
Two angles that add up to 180
^{o}
Vertical angles
Two angles that are not adjacent and whose sides are formed by two intersecting lines
Congruent
The same size
Equality
The same as each other
Card Set Information
Author:
kaiti
ID:
3447
Filename:
Geometry Unit 3
Updated:
2009-12-23 00:22:25
Tags:
Geometry
Folders:
Description:
Geometry basics
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