筝形的性质 by Math Teachers' Adventure of ICT Integration
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本范例演示筝形的性质。涉及的核心数学概念包括筝形的对角线性质、对称性等。通过使用GeoGebra命令如Line, Point, Segment, Circle, Intersect等,可以构造筝形并观察其性质。适合初中及以上学生或教师教学使用。
GeoGebra 命令及参数
Line(B_1, C_1) → cLine(D_1, E) → dPoint(c) → FPoint(c) → GSegment(F, G) → e_1Point(e_1) → BPoint(d) → IPoint(d) → JSegment(I, J) → f_1Point(f_1) → CCircle(B, C) → gSegment(C, B) → hPoint(c) → LPoint(c) → MSegment(L, M) → iPoint(i) → DCircle(D, C) → kIntersect(k, g) → O, A, ,Segment(C, D) → jSegment(D, A) → lSegment(B, A) → mSegment(D, B) → fSegment(C, A) → ePolygon(A, D, C, B) → poly1, p, n, k_1, h_1Point(e) → KCircleArc(A_1, H, K) → qCorner(5) → N