Jiao
Jiao is a term with multiple uses in Chinese language and culture. In modern currency, jiao (角) is a unit equal to one tenth of a yuan. Ten jiao equal one yuan, and ten fen equal one jiao. In everyday speech, jiao is commonly referred to as mao (毛). Coins and banknotes have circulated in jiao denominations, and prices are often quoted to the nearest jiao or yuan.
Jiao is also a Chinese surname and a common pinyin transliteration for several Chinese characters, including 角,
Historically, the character Jiao appears in the names of ancient Chinese administrative regions and frontier districts.
Beyond currency and names, 角 has general meanings such as horn, corner, or angle. In geometry, 角 denotes