Science Fair Project Encyclopedia
Theta
Theta (upper case Θ, lower case θ) is the eighth letter of the Greek alphabet. In the system of Greek numerals it has a value of 9.
The lower-case letter θ is used as a symbol for:
- A plane angle in geometry.
- θ is the voiceless (inter)dental fricative in the International Phonetic Alphabet.
The upper-case letter Θ is used as a symbol for:
The Cyrillic letter Fita arose from Theta.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details