菱形边长6,高4
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该范例演示了一个边长为6,高为4的菱形。涉及的核心数学概念包括菱形的性质和几何作图。通过使用GeoGebra命令如Point, Intersect, LineBisector, Segment, Circle, OrthogonalLine等,可以构造出菱形。适合初中及以上学生学习菱形的性质和几何作图。
GeoGebra 命令及参数
Point(xAxis) → AIntersect(xAxis, yAxis) → BLineBisector(A, B) → fSegment(A, B) → gIntersect(f, g) → MCircle(M, 4) → cIntersect(c, f, 2) → NOrthogonalLine(N, f) → hPoint(h) → DSegment(B, C) → iSegment(D, A) → jSegment(C, D) → kSegment(A, C) → lSegment(B, D) → mAngle(B, A, D) → α