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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".
Nov 1, 2020 · FerranteMath. 8.2K subscribers. 360. 36K views 2 years ago. This video is a brief review of four common symbols used in geometry: parallel, congruent, similar, and perpendicular. ...more....
- 5 min
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- FerranteMath
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.
Oct 30, 2009 · yaymath. 249K subscribers. 219. 41K views 14 years ago. Parallel Lines is a main topic in Geometry, and comes up many times on the SAT. Join us in this introductory lesson that discusses the...
- 10 min
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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.
This is an audio version of the Wikipedia Article:https://en.wikipedia.org/wiki/Parallel_(geometry)00:00:50 1 Symbol00:01:35 2 Euclidean parallelism00:01:45 ...
Parallel lines never intersect, and perpendicular lines intersect at a 90 degree angle. Learn how to identify parallel and perpendicular lines. Created by Sal Khan.
- 2 min
- Sal Khan
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