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- transformational
- ไหของฉัน
- 삼각형의 세 변의 수직이등분선은 한점(외심)에서 만나고 이 점(외심)에서 세 꼭짓점에 이르는 거리는 같다.(The vertical bisector of the three sides of the triangle meet at one point (circumcenter) and the distance from this point (circumc
- Social Distancing Geometrical Model around a round meal table
- drawing a perpendicular Bisector of a line