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Symbol. The parallel symbol is . For example, indicates that line AB is parallel to line CD. In the Unicode character set, the "parallel" and "not parallel" signs have codepoints U+2225 (∥) and U+2226 (∦), respectively. In addition, U+22D5 (⋕) represents the relation "equal and parallel to".
The symbol for parallel lines is \(\parallel,\) so we can say that \(\overleftrightarrow{AB}\parallel\overleftrightarrow{CD}\) in that figure. According to the axioms of Euclidean geometry, a line is not parallel to itself, since it intersects itself infinitely often.
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Contents. hide. (Top) Special cases. Characterizations. Other properties. Area formula. From vertex coordinates. Proof that diagonals bisect each other. Lattice of parallelograms. Parallelograms arising from other figures. Automedian triangle. Varignon parallelogram. Tangent parallelogram of an ellipse. Faces of a parallelepiped. See also.
Usage. In geometry, the parallel symbol is used to denote two lines that are parallel to each other. Typically the parallel symbol is used in an expression like this: AB ∥ C D. In plain language, this means that the line AB is parallel to the line C D. Read more….
Two lines are parallel if they do not meet, no matter how far they are extended. The symbol for parallel is \(||\). In Figure \(\PageIndex{1}\), \(\stackrel{\leftrightarrow}{A B}\) \(||\) \(\stackrel{\leftrightarrow}{C D}\). The arrow marks are used to indicate the lines are parallel.
Yes. That’d be useful. Point/Line-related Symbols. In geometry, points and lines form the foundation of more complex geometrical figures such as triangles, circles, quadrilaterals and polygons. The following table documents some of the most notable symbols related to these — along with each symbol’s meaning and example. Angle-related Symbols.
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%20symbol%20wikipedia%20list%20of%20free&ck=BEC1FA32629BBE9AC52044E48242D1D2&idpp=rc&idpview=singleimage&form=rc2idp "parallel (geometry) symbol wikipedia list of free2")
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