Angles And Parallel Lines Worksheet With Answers Page 21

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21 
 
5.3 – Non-Parallel Lines and Transversals
Many angles can be formed by two lines and a transversal. By definition, a
_____________________ is just a line that __________________ (or crosses)
two or more other lines. Whether or not the two lines the transversal crosses are
parallel, there are specific relationships formed when lines intersect. The
illustration below shows these relationships.
In this diagram, the two lines, ℓ
and ℓ
are clearly not parallel. The relationships
1
2
described below holds true for parallel lines too.
There are eight angles, of varying sizes and relationships formed.
Vertically opposite angles: ______________________________
____________________________________. Look for an “_____”.
__ and
__ ,
__ and
__
Corresponding angles: _________________________________
____________________________________. Look for an “_____”.
__ and
__,
__ and
__,
__ and
__,
__ and
__
Math 10 Workplace
Marsh

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