魔三角
几何画板及绘图内容加载中,请稍等……
①本范例演示一个特殊的几何构造,通过动态调整点位置展示三角形的性质;②涉及核心数学概念包括解析几何、函数图像、积分计算和数列;③作图要点运用了Polygon(多边形)、Circle(圆)、Intersect(交点)、Distance(距离)、Segment(线段)等GeoGebra命令;④适合高中及以上数学学习者,用于理解几何作图与微积分的结合应用。
GeoGebra 命令及参数
Polygon(A, B, 3) → poly1, f, g, h, CCircle(A, Distance[A, B] / 3) → cCircle(B, Distance[A, B] / 3) → dCircle(C, Distance[A, B] / 3) → eIntersect(c, f, 1) → DIntersect(d, f, 1) → EIntersect(d, g, 1) → FIntersect(e, g, 1) → GIntersect(e, h, 1) → HIntersect(c, h, 1) → IDistance(A, B) → ABCircle(C, r) → kCircle(H, r) → pCircle(I, r) → qCircle(A, r) → sCircle(D, r) → tCircle(E, r) → c_1Circle(B, r) → d_1Circle(F, r) → e_1Circle(G, r) → f_1Intersect(k, h, 1) → JIntersect(p, h, 1) → KIntersect(p, h, 2) → LIntersect(q, h, 1) → MIntersect(q, h, 2) → NIntersect(s, h, 1) → OIntersect(s, f, 1) → PIntersect(t, f, 1) → QIntersect(t, f, 2) → RIntersect(c_1, f, 1) → SIntersect(c_1, f, 2) → TIntersect(d_1, f, 1) → UIntersect(d_1, g, 1) → VIntersect(e_1, g, 1) → WIntersect(e_1, g, 2) → ZIntersect(f_1, g, 1) → A_1Intersect(f_1, g, 2) → B_1Intersect(k, g, 1) → C_1Segment(J, K) → iSegment(L, M) → jSegment(N, O) → lSegment(P, Q) → mSegment(R, S) → nSegment(T, U) → aSegment(V, W) → bSegment(Z, A_1) → g_1Segment(B_1, C_1) → h_1