Deltoide
几何画板及绘图内容加载中,请稍等……
所属专题
geometriadinamica.es
本范例演示了一个 Deltoide 的构造,展示了其独特的几何形状。核心数学概念包括几何学和几何构造。作图要点包括使用 GeoGebra 命令:Intersect、Point、Circle、Ray、Angle、Rotate、Segment、CircleArc。适合的学段或用途包括初中数学和几何学的学习。
GeoGebra 命令及参数
Intersect(xAxis, yAxis) → A_1Point(xAxis) → B_1Circle(A_1, 0.6666666666666666) → dPoint(d) → ARay(A_1, A) → bAngle(B_1, A_1, A) → αCircle(A_1, B_1) → cIntersect(c, b) → D,Circle(A, 0.3333333333333333) → eRotate(D, (-3 * α), A) → CSegment(A, C) → aCircleArc(A, C, D) → fCircleArc(A_1, B_1, D) → gSegment(A_1, A) → hRotate(A, 29.999999999999996°, A) → A'Rotate(C, 29.999999999999996°, A) → C'Segment(A', C') → iRotate(A', 29.999999999999996°, A) → A''Rotate(C', 29.999999999999996°, A) → C''Segment(A'', C'') → jRotate(A'', 29.999999999999996°, A) → A'''Rotate(C'', 29.999999999999996°, A) → C'''Segment(A''', C''') → kRotate(A''', 29.999999999999996°, A) → A''''Rotate(C''', 29.999999999999996°, A) → C''''Segment(A'''', C'''') → lRotate(A'''', 29.999999999999996°, A) → A'''''Rotate(C'''', 29.999999999999996°, A) → C'''''Segment(A''''', C''''') → mRotate(A''''', 29.999999999999996°, A) → A''''''Rotate(C''''', 29.999999999999996°, A) → C''''''Segment(A'''''', C'''''') → nRotate(A'''''', 29.999999999999996°, A) → A'''''''Rotate(C'''''', 29.999999999999996°, A) → C'''''''Segment(A''''''', C''''''') → pRotate(A''''''', 29.999999999999996°, A) → A''''''''Rotate(C''''''', 29.999999999999996°, A) → C''''''''Segment(A'''''''', C'''''''') → qRotate(A'''''''', 29.999999999999996°, A) → A'''''''''Rotate(C'''''''', 29.999999999999996°, A) → C'''''''''Segment(A''''''''', C''''''''') → sRotate(A''''''''', 29.999999999999996°, A) → A''''''''''Rotate(C''''''''', 29.999999999999996°, A) → C''''''''''Segment(A'''''''''', C'''''''''') → tRotate(A'''''''''', 29.999999999999996°, A) → A'''''''''''Rotate(C'''''''''', 29.999999999999996°, A) → C'''''''''''Segment(A''''''''''', C''''''''''') → a_1Rotate(D, (-3 * α), A) → B
AI 绘图提示语参考
绘制一个由圆弧和线段构成的对称几何图形。先以原点为圆心画一个小圆,并在圆上取一点作为顶点,从原点向该点作射线。再以原点为圆心、以横轴上一点为半径画大圆,射线与大圆交于一点。以顶点为圆心画一个小圆,将交点绕顶点旋转三倍于射线与横轴夹角的角度,得到另一关键点。连接顶点与旋转点形成一条边,并绘制从顶点到旋转点再到大圆交点的圆弧。随后,将这条边绕顶点每次旋转约30度,重复多次,形成一系列放射状线段,最终构成一个类似风筝的曲线轮廓。
以上提示语为根据原始绘图命令整理而来,仅供参考。