几何铺砖成本计算
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所属专题
Proofs Without Words
①本范例演示如何使用 GeoGebra 建立几何铺砖模型并计算铺设成本;②涉及核心数学概念包括解析几何、积分计算、对称性分析;③作图要点:使用 Intersect(交点)、Point(点)、Segment(线段)、Circle(圆)、Polygon(多边形)、Line(直线)等命令构建几何图形;④适合高中数学教学或 STEM 项目实践,用于数学建模与实际应用结合。
GeoGebra 命令及参数
Intersect(xAxis, yAxis) → APoint(Circle[A, sqrt(400)]) → BSegment(A, B) → fCircle(A, B) → cIntersect(c, yAxis) → C, DPolygon(D, B, A) → Triángulo_1, a, d, bCircle(D, sqrt(800)) → eIntersect(e, yAxis) → E, FCircle(F, 20) → gCircle(D, 20) → hIntersect(h, g) → G, H, ,Polygon(D, G, F) → Triángulo_2, f_1, d_1, g_1Circle(F, 20) → kIntersect(k, yAxis) → I, JPoint(Circle[J, 20]) → KSegment(J, K) → iPolygon(F, J, K) → Triángulo_3, k_1, f_2, jPoint(Circle[B, sqrt(800)]) → LSegment(B, L) → lPoint(Circle[L, 20]) → MSegment(L, M) → mLine(M, yAxis) → nPoint(n) → NPolygon(L, M, N) → Triángulo_4, n_1, l_1, m_1Line(F, xAxis) → pIntersect(p, n) → OLine(G, xAxis) → qCircle(N, 20) → rIntersect(r, q) → P, QPolygon(N, Q, O) → Triángulo_5, o, n_2, q_1Circle(O, 20) → sIntersect(s, n) → R, SCircle(S, 20) → tLine(J, K) → h_1Intersect(t, h_1) → T, UPolygon(T, S, O) → Triángulo_6, o_1, t_1, s_1Polygon(K, T, O, N, L, B, D, F) → Octógono, k_2, t_2, o_2, n_3, l_2, b_1, d_2, f_3Circle(B, 20) → c_1Circle(L, 20) → e_1Intersect(e_1, c_1) → V, W, ,Polygon(B, L, V) → Triángulo_7, v, b_2, l_3Circle(K, 20) → p_1Circle(T, 20) → r_1Intersect(p_1, r_1) → Z, A_1, ,Polygon(K, Z, T) → Triángulo_8, t_3, k_3, z_1Polygon(A, M, 4) → Cuadrado, i_1, j_1, a_1, g_2, D_1, E_1