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Symbol | Definition |
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≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
1/12 circle or twelfth circle is equal to 360°/12 = 30°. Plural name is twelfth circles.
1/2 circle or half circle is equal to 360°/2 = 180°. Plural name is helf circles.
You can find the conversion in other languages in the following: