三角棱柱体积练习
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所属专题
Area and Volume
①本范例演示如何通过动态交互计算三角棱柱的体积;②涉及核心数学概念包括体积公式、积分、向量运算、几何变换;③构造过程中运用了Random, Dilate, Vector, Circle, Line, Intersect, Translate, Midpoint, Polygon, Segment, If, AngularBisector, Text等GeoGebra命令与对象;④适合高中立体几何教学,用于加深对体积计算和空间想象能力的理解。
GeoGebra 命令及参数
Random(2, 10) → heightDilate(F, height, E) → GVector(E, G) → uRandom(2, 5) → height_1Random(2, 10) → baseDilate(I, base, H) → LVector(H, L) → vCircle(J, height_1) → gLine(J, K) → hIntersect(g, h, 1) → MVector(J, M) → wTranslate(A, v) → BCircle(J, 1) → dMidpoint(A, B) → CMidpoint(C, A) → DTranslate(D, Vector[w / 2]) → NPolygon(A, N, B) → P, b, a, nTranslate(A, u) → A'Translate(N, u) → N'Translate(B, u) → B'Polygon(A', N', B') → P', b', a', n'Polygon(A', N', N, A) → Q, a'_1, n'_1, n_1, a_1Polygon(N', N, B, B') → R, n'_2, n_2, b_1, b'_1Polygon(B', B, A, A') → S, b'_2, b_2, a_2, a'_2Segment(N, D) → cMidpoint(A, A') → OMidpoint(N, D) → TIf(VolumeFormula ≟ 1, U) → ZIf(VolumeSolution ≟ 1, V) → A_1AngularBisector(A, N, B) → eAngularBisector(B, A, N) → fIntersect(f, e) → WTranslate(W, u) → YIf(Guess ≟ ans, 1, 0) → addptText(score) → text2Text(height_1) → text5Text(base) → text6Text(height) → text7Text(try) → text1Text(pans) → text13