球体与圆锥
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该范例展示了球体与圆锥的几何关系。核心数学概念包括立体几何中的球体和圆锥。通过使用GeoGebra命令如Point, Cube, Intersect, Line等,可以构造出球体和圆锥,并观察它们的交线和面。适合高中及以上学生或教师用于教学和学习立体几何。
GeoGebra 命令及参数
Point(xAxis) → APoint(yAxis) → BPoint(Circle[B, Distance[A, B], Segment[A, B]]) → CCube(A, B, C) → a, D, faceCDHG, faceEFGH, edgeAD, edgeAB_1, edgeBC, edgeCD, edgeAE_1, edgeDH, edgeEH, edgeEF_1, E, edgeBF_1, edgeFG, edgeCG, edgeGH, F, G, H, faceABCD, faceADHE, faceABFE_1, faceBCGFIntersect(yAxis, xAxis) → IPoint(zAxis) → JLine(I, J) → fIntersect(f, faceEFGH) → KMidpoint(I, K) → LSphere(L, K) → bPyramid(E, F, B, A, L) → c, faceABFE, edgeEL, edgeFL, edgeBL, edgeAL, faceEFL, faceBFL, faceABL, faceAEL, edgeEF, edgeBF, edgeAB, edgeAEIntersect(edgeFL, b) → M,Intersect(edgeEL, b) → N,Intersect(edgeAL, b) → O,Intersect(edgeBL, b) → P,CircleArc(L, M, P) → dCircleArc(L, M, N) → eCircleArc(L, N, O) → gCircleArc(L, P, O) → hSegment(P, L) → iSegment(L, M) → jSegment(M, L) → kSegment(L, N) → lSegment(N, L) → mSegment(L, O) → nSegment(O, L) → pCone(K, L, 4) → o, q, rMirror(r, L) → r'Line(H, E) → sLine(L, s) → tIntersect(t, b) → Q, RCone(R, L, 4) → u, c_1, vCone(Q, L, 4) → w, d_1, a_1OrthogonalLine(L, t, space) →OrthogonalLine(L, t, space) →