Astroide几何构造
几何画板及绘图内容加载中,请稍等……
所属专题
geometriadinamica.es
①本范例演示了一个名为Astroide的复杂几何图形的构造过程;②涉及的核心数学概念包括连续性、几何构造、不等式、面积计算和立体几何;③作图要点提炼自构造摘要,使用了Intersect(相交)、Point(点)、Circle(圆)、Ray(射线)、Angle(角)、Rotate(旋转)、Segment(线段)、CircleArc(圆弧)等GeoGebra命令和对象;④适合高中及以上学生学习和探索立体几何与几何作图。
GeoGebra 命令及参数
Intersect(xAxis, yAxis) → A_1Point(xAxis) → B_1Circle(A_1, 0.75) → dPoint(d) → ARay(A_1, A) → bAngle(B_1, A_1, A) → αCircle(A_1, B_1) → cIntersect(c, b) → D,Circle(A, 0.25) → eRotate(D, (-4 * 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, (-4 * α), A) → B
AI 绘图提示语参考
绘制一个阿斯托德曲线,首先在x轴和y轴的交点处画一个圆,然后在圆上取一点A,通过A点画一条射线b。接着以A1为圆心,B1为半径画一个圆c,与射线b相交于点D。以A为圆心,0.25为半径画一个圆e,旋转D点4倍的角α得到点C,连接AC得到线段a。接着画圆弧f和g,然后依次旋转A和C点,重复上述步骤,最终形成阿斯托德曲线。
以上提示语为根据原始绘图命令整理而来,仅供参考。