Last Updated
：2025/11/27
圓周角
IPA(Pronunciation)
Pinyin
Noun
円周角。円周上の一点を頂点とし、その点と円周上の他の二点を結んでできる角。 / ある弧に対する円周角は、その弧に対する中心角の半分になるという性質を持つ角。
English Meaning
(geometry) inscribed angle
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円周角定理により、同じ円の中で、同じ弧に挟まれた二つの円周角は必ず等しくなります。
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根據圓周角定理，在同一圓中，兩個截取相同弧的圓周角必定相等。
Chinese - Japanese
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