立体图形相似性演示
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①本范例演示了立方体与棱柱的相似性图形变换;②涉及核心数学概念包括面积、体积计算,以及图形变换中的缩放与平移;③作图要点运用了Dilate(缩放)、Polygon(多边形)、Vector(向量)、Translate(平移)、Intersect(相交)、Circle(圆)、Point(点)、Line(线)、OrthogonalLine(垂线)、Angle(角度)等GeoGebra命令;④适合高中阶段立体几何教学与几何变换学习。
GeoGebra 命令及参数
Dilate(E, a, A) → E'_1Dilate(F, a, D) → F'_1Dilate(G, a, C) → G'_1Dilate(A, b, D) → A'_1Dilate(E'_1, b, F'_1) → E''_1Dilate(B, b, C) → B'_1Dilate(F'_1, c, G'_1) → F''_1Dilate(D, a, B) → D'_1Dilate(E'_1, c, D'_1) → E''Dilate(E'', b, F''_1) → E'''Dilate(A'_1, c, B'_1) → A''_1Dilate(D, c, C) → D'_2Polygon(C, G'_1, F''_1, D'_2) → poly1, ur, vr, uc, vc2Polygon(C, D'_2, A''_1, B'_1) → poly2, vc, wc2, vl, wlPolygon(A''_1, D'_2, F''_1, E''') → poly3, wc, uc2, wr, ul2Polygon(B, A, D, C) → poly4, b_1, a_1, d_3, c_3Polygon(C, D, F, G) → poly5, c_4, d_1, f_2, g_1Polygon(D, F, E, A) → poly6, d_2, f_1, e_1, a_2Vector(C, D) → uSequence(Segment[Translate[C, Vector[(j * u)]], Translate[G'_1, Vector[(j * u)]]], j, 1, c - 1) → list1Sequence(Segment[Translate[B'_1, Vector[(j * u)]], Translate[C, Vector[(j * u)]]], j, 1, c - 1) → list2Vector(C, G) → vVector(C, B) → wSequence(Segment[Translate[C, Vector[(j * v)]], Translate[D'_2, Vector[(j * v)]]], j, 1, a - 1) → list3Sequence(Segment[Translate[C, Vector[(j * w)]], Translate[D'_2, Vector[(j * w)]]], j, 1, b - 1) → list4Sequence(Segment[Translate[F''_1, Vector[(j * w)]], Translate[D'_2, Vector[(j * w)]]], j, 1, b - 1) → list5Sequence(Segment[Translate[D'_2, Vector[(j * v)]], Translate[A''_1, Vector[(j * v)]]], j, 1, a - 1) → list6Dilate(G, (a * d), C) → G'Dilate(F, (a * d), D) → F'Dilate(F', (c * f), G') → F''Dilate(D, (c * f), C) → D'Dilate(B, (b * e), C) → B'Dilate(A, (b * e), D) → A'Dilate(A', (c * f), B') → A''Vector(D', F'') → zTranslate(A'', z) → A'''Polygon(D', C, G', F'') → poly7, d'_3, ur2, vr2, f_4Polygon(D', C, B', A'') → poly8, d_6, wl2, vl2, a_4Polygon(A'', D', F'', A''') → poly9, a''_3, d'_5, wr2, ulSequence(Segment[Translate[C, Vector[((j * c) * u)]], Translate[G', Vector[((j * c) * u)]]], j, 1, f) → list7Sequence(Segment[Translate[C, Vector[((j * c) * u)]], Translate[B', Vector[((j * c) * u)]]], j, 1, f) → list8Sequence(Segment[Translate[D', Vector[((j * a) * v)]], Translate[C, Vector[((j * a) * v)]]], j, 1, d) → list9Sequence(Segment[Translate[D', Vector[((j * b) * w)]], Translate[C, Vector[((j * b) * w)]]], j, 1, e) → list10Sequence(Segment[Translate[A'', Vector[((j * a) * v)]], Translate[D', Vector[((j * a) * v)]]], j, 1, d) → list11Sequence(Segment[Translate[F'', Vector[((j * b) * w)]], Translate[D', Vector[((j * b) * w)]]], j, 1, e) → list12Intersect(xAxis, yAxis) → HCircle(H, base) → kPoint(k) → ILine(H, I) → jOrthogonalLine(H, j) → lCircle(H, height) → pIntersect(p, l, 2) → JOrthogonalLine(J, l) → mOrthogonalLine(I, j) → nIntersect(m, n) → KPolygon(H, I, K, J) → q1, h_1, i_1, k_1, j_1Angle(H, J, K) → αAngle(J, K, I) → βAngle(K, I, H) → γAngle(I, H, J) → δAngle(H, J, K) → εAngle(J, K, I) → ζAngle(K, I, H) → ηAngle(I, H, J) → θ
AI 绘图提示语参考
绘制一个立方体及其相似变换后的图形。首先绘制一个立方体,然后分别对立方体的顶点进行相似变换,包括平移、缩放和旋转。最后连接变换后的顶点形成新的多边形,展示相似变换的效果。
以上提示语为根据原始绘图命令整理而来,仅供参考。