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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
Author:
kaiti
ID:
3447
Card Set:
Geometry Unit 3
Updated:
2009-12-23 00:22:25
Tags:
Geometry
Folders:
Description:
Geometry basics
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