筝形的几何构造 by Liam.lake
几何画板及绘图内容加载中,请稍等……
这个范例演示了筝形的几何构造。涉及的核心数学概念包括筝形的性质和参数曲线。通过使用GeoGebra命令如Segment, Point, OrthogonalLine等,可以构造筝形的各个顶点和边。适合初中及以上学生学习筝形的几何性质。
GeoGebra 命令及参数
Segment(A, B) → aPoint(a) → COrthogonalLine(C, a) → bPoint(b) → DCircle(C, D) → cIntersect(c, b, 2) → ESegment(D, C) → dSegment(C, E) → eSegment(D, B) → fSegment(B, E) → gSegment(E, A) → hSegment(D, A) → iAngle(B, D, A) → αAngle(A, E, B) → βMidpoint(f) → FMidpoint(g) → GMidpoint(h) → HMidpoint(i) → ISegment(F, G) → jSegment(H, G) → kSegment(I, H) → lSegment(F, I) → mAngle(G, F, I) → γ