Theta
Eighth letter of the Greek alphabet / From Wikipedia, the free encyclopedia
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This article is about the Greek letter. For other uses, see Theta (disambiguation).
"θ" redirects here. For the letter used in IPA, see Voiceless dental fricative.
For similar symbols, see Ø (disambiguation).
Theta (UK: /ˈθiːtə/, US: /ˈθeɪtə/; uppercase Θ or ϴ; lowercase θ[note 1] or ϑ; Ancient Greek: θῆτα thē̂ta [tʰɛ̂ːta]; Modern: θήτα thī́ta [ˈθita]) is the eighth letter of the Greek alphabet, derived from the Phoenician letter Teth . In the system of Greek numerals, it has a value of 9.
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