对称性探索
几何画板及绘图内容加载中,请稍等……
①本范例演示了通过旋转和镜像操作构建对称图形的过程;②涉及的核心数学概念包括对称性、旋转、镜像、多边形和三角函数;③作图要点提炼自构造摘要,使用了Circle(圆)、Point(点)、Rotate(旋转)、squarearoundagivenpoint(绕点旋转正方形)、Intersect(交点)、Vector(向量)、Translate(平移)、Line(直线)、Mirror(镜像)等GeoGebra命令和对象;④适合高中阶段学习几何变换和对称性的学生,也可用于数学兴趣小组的探索活动。
GeoGebra 命令及参数
Circle(A, sqrt(2)) → aPoint(a) → A_1Rotate(A_1, 90°, A) → A_2Rotate(A_2, 90°, A) → A_3Rotate(A_3, 90°, A) → A_4squarearoundagivenpoint(B) → B_1, B_2, B_3, B_4, bsquarearoundagivenpoint(C) → C_1, C_2, C_3, C_4, csquarearoundagivenpoint(D) → D_1, D_2, D_3, D_4, dsquarearoundagivenpoint(E) → E_1, E_2, E_3, E_4, eIntersect(xAxis, yAxis) → KPoint(yAxis) → LVector(K, L) → uTranslate(pic1, u) → pic5Translate(pic5, u) → pic9Translate(pic9, u) → pic13Translate(pic2, u) → pic6Translate(pic6, u) → pic10Translate(pic10, u) → pic14Translate(pic3, u) → pic7Translate(pic7, u) → pic11Translate(pic11, u) → pic15Translate(pic4, u) → pic8Translate(pic8, u) → pic12Translate(pic12, u) → pic16Line(F, G) → fMirror(pic1, f) → pic1'Mirror(pic5, f) → pic5'Mirror(pic9, f) → pic9'Mirror(pic13, f) → pic13'Line(H, I) → jMirror(pic2, f) → pic2'Mirror(pic6, f) → pic6'Mirror(pic10, f) → pic10'Mirror(pic14, f) → pic14'Mirror(pic3, f) → pic3'Mirror(pic7, f) → pic7'Mirror(pic11, f) → pic11'Mirror(pic15, f) → pic15'Mirror(pic4, f) → pic4'Mirror(pic8, f) → pic8'Mirror(pic12, f) → pic12'Mirror(pic16, f) → pic16'Line(J, M) → kMirror(pic1, k) → pic1'_1Mirror(pic5, k) → pic5'_1Mirror(pic9, k) → pic9'_1Mirror(pic13, k) → pic13'_1Mirror(pic2, k) → pic2'_1Mirror(pic6, k) → pic6'_1Mirror(pic10, k) → pic10'_1Mirror(pic14, k) → pic14'_1Mirror(pic15, k) → pic15'_1Mirror(pic11, k) → pic11'_1Mirror(pic7, k) → pic7'_1Mirror(pic3, k) → pic3'_1Mirror(pic4, k) → pic4'_1Mirror(pic8, k) → pic8'_1Mirror(pic12, k) → pic12'_1Mirror(pic16, k) → pic16'_1Mirror(pic1, j) → pic1'_2Mirror(pic5, j) → pic5'_2Mirror(pic9, j) → pic9'_2Mirror(pic13, j) → pic13'_2Mirror(pic2, j) → pic2'_2Mirror(pic6, j) → pic6'_2Mirror(pic10, j) → pic10'_2Mirror(pic14, j) → pic14'_2Mirror(pic3, j) → pic3'_2Mirror(pic7, j) → pic7'_2Mirror(pic11, j) → pic11'_2Mirror(pic15, j) → pic15'_2Mirror(pic4, j) → pic4'_2Mirror(pic8, j) → pic8'_2Mirror(pic12, j) → pic12'_2Mirror(pic16, j) → pic16'_2Mirror(pic1', k) → pic1''Mirror(pic2', k) → pic2''Mirror(pic3', k) → pic3''Mirror(pic4', k) → pic4''Mirror(pic5', k) → pic5''Mirror(pic6', k) → pic6''Mirror(pic7', k) → pic7''Mirror(pic8', k) → pic8''Mirror(pic9', k) → pic9''Mirror(pic10', k) → pic10''Mirror(pic11', k) → pic11''Mirror(pic12', k) → pic12''Mirror(pic13', k) → pic13''Mirror(pic14', k) → pic14''Mirror(pic15', k) → pic15''Mirror(pic16', k) → pic16''
AI 绘图提示语参考
画一个对称图形,首先绘制一个圆,然后在其上创建五个点,并将这些点依次旋转90度得到五个新点。接着围绕五个不同的点绘制正方形,并将这些正方形平移和镜像操作,以展示对称性。最后,通过连接特定点绘制直线,并完成镜像操作,使图形呈现出丰富的对称变换效果。
以上提示语为根据原始绘图命令整理而来,仅供参考。