长方体体积计算 by Duane Habecker
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所属专题
Area and Volume
Volume of Prisms
Surface Area and Volume of basic figures
Surface Area and Volume of basic figures
Surface Area and Volume of basic figures
①本范例通过滑块演示如何构建长方体并计算其体积;②涉及核心数学概念:体积公式、空间几何、三维图形;③作图要点:使用Vector、Line、Intersect、Segment、Polygon、Midpoint等GeoGebra命令创建长方体框架,计算length、height、width的乘积得到体积;④适合初中及以上学生学习立体几何和体积计算,也可用于物理学科中的相关演示。
GeoGebra 命令及参数
Vector((0.75 * width, 0.5 * width)) → wVector((0, height)) → zVector((-1 * 0.75 * length, 0.4 * length)) → uLine(C, z) → dLine(B, w) → eLine(B, u) → fLine(A, z) → gIntersect(f, g) → DIntersect(d, e) → ESegment(A, D) → hSegment(D, B) → iSegment(B, E) → jSegment(E, C) → kLine(D, j) → lLine(E, i) → mIntersect(l, m) → FSegment(D, F) → nSegment(F, E) → pPolygon(D, A, O, B) → poly1, d_1, a_1, o, b_1Polygon(D, F, E, B) → poly2, d_2, f_1, e_1, b_2Polygon(O, C, E, B) → poly3, o_1, c_1, e_2, b_3Midpoint(o_1) → GMidpoint(c_1) → HMidpoint(a_1) → I