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Geometry theorems
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Line Intersection Theorem:
two different lines intersect in at most one point.
Betweenness Theorem:
If B is between A nad C, then AB + BC = AC
Theorem (unnamed):
For
any
three points A, B, and C, AB + BC
>
AC.
Linear Pair Theorem:
Vertical Angle Theorem:
If two angles form a linar pair, then they are supplementary.
If two angles are vertical angles, then they have equal measures.
Perpendicular Lines and Slopes Theorem:
Two non-vertical lines are perpendicular if and only if the product of their slopes = -1.
Parallel Lines and Slopes Theorem:
Two non-vertical lines are parallel if and only if they have the same slope.
Author
mathlover1
ID
32101
Card Set
Geometry theorems
Description
Geometry theorems...add over time. Based on Euclid's geometry.
Updated
2010-09-12T21:09:32Z
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