镜中女孩
几何画板及绘图内容加载中,请稍等……
这是一个展示镜中女孩的几何作图。涉及的核心数学概念包括几何变换中的镜像变换。通过使用GeoGebra命令如Point, Intersect, Segment, OrthogonalLine, Line, Mirror等,可以构造出镜中女孩的图像。适合用于初中或高中几何教学,帮助学生理解镜像变换的概念。
GeoGebra 命令及参数
Point(yAxis) → FIntersect(xAxis, yAxis) → B_2Segment(B_2, F) → bIntersect(b, g) → AOrthogonalLine(L, b) → iIntersect(b, i) → BOrthogonalLine(C, b) → ePoint(e) → IPoint(e) → JSegment(J, I) → hPoint(h) → HIntersect(c, i) → MLine(B_1, B_2) → dOrthogonalLine(B_1, d) → fMirror(pic1, b) → pic2Mirror(H, b) → DOrthogonalLine(E, b) → aIntersect(a, c) → GIntersect(g, c) → KMirror(M, b) → NMirror(K, b) → OSegment(G, O) → jSegment(G, N) → kIntersect(b, j) → A'Intersect(b, k) → B'Angle(B', G, A') → αSegment(A', B') → lSegment(G, B') → pSegment(B', M) → qOrthogonalLine(B', b) → rPoint(r) → PAngle(M, B', B) → βAngle(A', B', G) → γIntersect(j, b) → QSegment(G, Q) → a1Segment(K, Q) → b1OrthogonalLine(G, b) → c1Intersect(g, j) → ROrthogonalLine(R, c1) → d1Point(b) → UIntersect(b, d) → VPolygon(U, S, T, V) → poly1, u_1, s_1, t_1, v_1