Below is a table with the basic mathematical symbols and signs that are used in geometry from grade 7 and up.
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«>| Sign | Name | Meaning/Description | Example | |||||||||||||||||||||||
| ∠ | angle | a figure consisting of two rays and a vertex | » data-order=» «> | sharp corner | angle from 0 to 90 degrees |  «> | right angle | angle equal to 90 degrees |  «> | obtuse angle | angle from 90 to 180 degrees |  «> | unfolded corner | angle equal to 180 degrees | degree | 45° | ||||||||||
| ‘ | minute | “ | second | «> | line | endless line without beginning or end | ||||||||||||||||||||
| line segment | segment on a straight line between points A and B | |||||||||||||||||||||||||
| beam | an infinite line that starts at point A but has no end | |||||||||||||||||||||||||
| arc | arc formed between points A and B | |||||||||||||||||||||||||
| ⊥ | perpendicularity | || | parallelism | non-intersecting straight lines (lines) | ∩ | intersection | set of identical elements belonging to both sets A and B | ∈ / ∉ | the element is/is not an element of the given set | ≅ | congruency | equivalence of geometric shapes and sizes | ~ | similarity | same shape but different sizes | Δ | triangle | triangle figure | |xy| | distance | distance between points X and Y | π | constant “pi” | radian | angle unit | Previous record Previous entry: Fuzzy text search in Power Query The next entry The next entry: Symbols of numbers in different number systems Leave a commentОтменить ответ |