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U
Shodor > Interactivate > Dictionary > U
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union of sets
The union of two or more sets is the set of all the objects contained by at least one of the sets. The symbol for union is U

unit circle
A circle of radius 1 centered at the origin (0,0) of the Cartesian coordinate system.

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10.000696328{main}( )../dictionary.php5:0
20.122516865864useCachedVersion( )../dictionary.php5:15
30.122516865864PageRender2->useCachedVersion( )../useCachedVersion.php5:7