球体体积公式演示 by Anthony OR 柯志明
几何画板及绘图内容加载中,请稍等……
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Area, Surface Area, Volume, Cross Section, 3D
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①本范例通过动态演示,直观展示球体体积公式 4/3 πr³的推导过程;②涉及核心数学概念包括球体、体积计算、积分思想(通过圆柱和圆锥体积关系);③作图要点运用了 Circle(圆)、Sphere(球体)、Cylinder(圆柱)、Cone(圆锥)、Intersect(交集)等 GeoGebra 命令构建几何模型;④适合高中立体几何、微积分入门学习,帮助理解体积公式的几何意义。
GeoGebra 命令及参数
Circle(A, 1) → cCircle(B, 1, xOyPlane) → dPoint(c) → CSphere(A, C) → aCylinder(B, D, 1) → b, e, f, gCone(D, B, 1) → h, k, iSegment(E, E + (0, 0, 1)) → jPoint(j) → FOrthogonalPlane(F, j) → lIntersectPath(l, a) → pIntersectPath(l, h) → qIntersectPath(l, b) → rPoint(q) → HIntersect(Ray[G, H], r) → I,Rotate(H, α, G) → H'Rotate(I, α, G) → I'Intersect(Ray[J, J + (1, 0, 0)], p) → K, NSegment(A, J) → sSegment(J, K) → tSegment(K, A) → a_1Intersect(Ray[G, G + (1, 0, 0)], q) → L, MSegment(B, G) → b_1Segment(G, L) → c_1Circle(s, C) → d_1Angle(A, J, K) → βAngle(B, G, L) → γSurface((sqrt(1 - h^(2)) * cos(θ)) + x(A), (sqrt(1 - h^(2)) * sin(θ)) + y(A), h, θ, 0, 6.28319, h, 0, 1) → oSurface(x(B) + (k * cos(θ)), y(B) + (k * sin(θ)), s, θ, 0, (2 * pi), k, s, 1) → m
AI 绘图提示语参考
绘制一个球体,球心为点A,半径为1。接着画一个底面半径为1的圆柱和一个底面半径为1的圆锥,它们的底面与球体的底面重合。通过旋转和平移,展示球体体积公式4/3πr³的推导过程,特别注意圆柱和圆锥与球体的交线如何形成一个圆。
以上提示语为根据原始绘图命令整理而来,仅供参考。