菱形、正方形、梯形几何关系演示
几何画板及绘图内容加载中,请稍等……
①本范例演示了菱形、正方形、梯形之间的几何关系与特性;②涉及核心数学概念包括多边形性质、角度计算、距离测量、正交线与线性函数;③构造过程中运用了Circle(圆)、Intersect(交点)、Segment(线段)、Angle(角度)、Point(点)、OrthogonalLine(垂线)、Distance(距离)、Line(直线)、Slope(斜率)等GeoGebra命令与对象;④适合高中数学教学,用于几何作图与性质探究。
GeoGebra 命令及参数
Circle(A, 5) → cCircle(B, 5) → dIntersect(c, d, 1) → CIntersect(c, d, 2) → DSegment(A, C) → aSegment(B, C) → bSegment(A, D) → eSegment(D, B) → fAngle(A, C, B) → αAngle(B, D, A) → βAngle(C, B, D) → γAngle(D, A, C) → δCircle(E, 5) → gPoint(g) → FSegment(E, F) → hCircle(F, 5) → kOrthogonalLine(F, h) → iIntersect(k, i, 1) → GOrthogonalLine(G, i) → jOrthogonalLine(E, h) → lDistance(i, h) → mDistance(j, l) → nIntersect(g, j, 2) → HDistance(j, l) → oDistance(H, G) → distanceHGDistance(E, F) → distanceEFDistance(F, G) → distanceFGDistance(E, H) → distanceEHCircle(I, J) → pSegment(I, J) → qPoint(p) → KSegment(I, K) → rSegment(K, J) → sPoint(r) → LLine(L, s) → tIntersect(t, q) → MSlope(t) → m_1Slope(s) → m_2Slope(q) → m_3Slope(r) → m_4