noun🔗Share半円Half of a circle."The pizza cutter made a perfect semicircle across the pie. "ピザカッターはパイに完璧な半円を描いた。mathpartChat with AIVocabulary GamePractice Reading
noun🔗Share半円An instrument for measuring angles."The student used the semicircle to carefully measure the angle of the triangle in her geometry assignment. "生徒は、幾何学の課題で三角形の角度を慎重に測定するために半円を使用しました。mathdeviceChat with AIVocabulary GamePractice Reading
