连接棱锥
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这个范例展示了如何通过几何作图软件 GeoGebra 连接两个棱锥。它涉及棱锥、角度、向量等核心数学概念。通过使用 Intersect、Polygon、Midpoint、OrthogonalLine 等命令,可以构造棱锥并连接它们。适合高中或大学的立体几何学习。
GeoGebra 命令及参数
Intersect(xAxis, zAxis) → APoint(xAxis) → BPolygon(A, B, 4, xOyPlane) → poly1, f, g, h, i, C, DMidpoint(A, C) → EOrthogonalLine(E, xOyPlane) → jSphere(B, A) → aIntersect(j, a) → F, GPyramid(poly1, G) → b, faceABG, faceBCG, faceCDG, faceADG_1, edgeAG_1, edgeBG, edgeCG, edgeDG_1AngularBisector(edgeDG_1, i) → k, lAngularBisector(edgeAG_1, i) → m, nIntersect(k, m) → HPlane(D, A, G) → cOrthogonalLine(H, c) → pPoint(p) → ITetrahedron(A, G, D) → d, L, edgeDL, edgeGL, faceADG, faceADL, faceAGL, faceDGL, edgeAD, edgeAG, edgeDG, edgeALSegment(L, H) → rIntersect(edgeAL, r) → JPoint(p) → KRay(J, K) → qPoint(q) → MVector(J, M) → uTranslate(d, u) → d'Plane(A, G, B) → eLength(u) → sPolygon(A, M, G, B) → q1, a_1, m_1, g_1, b_1Polygon(O, N, M, G) → q2, o, n_1, m_2, g_2