表面积问题2
几何画板及绘图内容加载中,请稍等……
①本范例演示了如何通过GeoGebra构建棱柱并计算其表面积;②涉及的核心数学概念包括面积、表面积、定积分、分数、体积、微积分;③作图要点使用了Polygon(多边形)、Prism(棱柱)、Point(点)、Angle(角)、Segment(线段)、Distance(距离)、Midpoint(中点)等命令和对象;④适合高中阶段学习立体几何和微积分的学生使用。
GeoGebra 命令及参数
Polygon(A, B, C, D) → poly1, a, b, c, dPrism(poly1, 4.554780866196905) → e, E, edgeAE, edgeBF, edgeCG, edgeDH, edgeEF, edgeFG, edgeGH, edgeEH, F, G, H, faceABFE, faceBCGF, faceCDHG, faceADHE, faceEFGHPoint(c) → IAngle(A, I, D) → αSegment(A, I) → fDistance(A, I) → distanceAIMidpoint(A, I) →Distance(D, C) → distanceDCMidpoint(D, C) →Distance(A, B) → distanceABMidpoint(A, B) →Distance(H, E) → distanceHEMidpoint(H, E) →Distance(C, B) → distanceCBMidpoint(C, B) →Distance(A, E) → distanceAEMidpoint(A, E) →