SSS证明 - ST
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本范例演示了SSS(边边边)全等证明。涉及的核心数学概念包括三角形全等的判定定理。通过使用GeoGebra命令如Polygon, Angle, Ray, Segment等,构建了三角形并展示了SSS条件下的全等性。适合初中及以上学生学习几何证明。
GeoGebra 命令及参数
Polygon(A, B, C) → poly1, c, a, bPolygon(D, E, F) → poly2, f, d, eAngle(F, D, E) → δRay(B, E') → gAngle(E', B, C) → δ'Segment(B, E') → hSegment(E', C) → iSegment(A, E') → jAngle(B, A, E') → αAngle(A, E', B) → β_1Angle(E', A, C) → γ_1Angle(C, E', A) → εPoint(g) → XAngle(C, B, A) → βAngle(A, C, B) → γOrthogonalLine(P, x = 0) → pCircle(P, 0.5) → c_1Intersect(c_1, p, 2) → QCircle(P, time / 700) → c_2OrthogonalLine(P, y = 0) → qIntersect(c_2, q, 2) → P_1OrthogonalLine(P_1, q) → q_1OrthogonalLine(Q, p) → p_1Intersect(p_1, q_1) → Q_1Segment(P_2, Q_2) → pq_1Segment(P, P_2) → pp_1Segment(Q, Q_2) → qq_1Segment(P, Q) → pqPolygon(P, Q, Q_1, P_1) → gauge, p_2, q_2, q_3, p_3