勾股定理演示 by PopiArdv (2)
几何画板及绘图内容加载中,请稍等……
①本范例演示勾股定理在直角三角形中的应用,通过可视化展示三边长度的平方关系;②核心数学概念为勾股定理、直角三角形、解析几何;③作图要点运用了Point(点)、Polygon(多边形)、Circle(圆)、Intersect(交点)、Midpoint(中点)等GeoGebra命令与对象;④适合初中及以上学生学习和理解勾股定理,也可用于数学教学演示。
GeoGebra 命令及参数
Semicircle(Α, Β) → cPoint(c) → ΓPolygon(Γ, Α, Β) → πολύγ1, β, γ, αPolygon(Α, Γ, 4) → πολύγ2, a, b, d, e, Δ, ΕCircleArc(Α, Γ, Ε) → fRotate(Γ, δ, Α) → Γ'Angle(Γ, Α, Γ') → εCircle(Ε, ζ) → gIntersect(g, d, 1) → ΖPolygon(Γ, Β, 4) → πολύγ3, h, i, j, k, Η, ΘCircleArc(Β, Η, Γ) → pRotate(Γ, -(δ - 150°), Β) → Γ'_1Angle(Γ'_1, Β, Γ) → ηCircle(Η, l) → qIntersect(q, j) → Ι, ΚMidpoint(γ) → ΛRotate(Γ, θ, Λ) → Γ'_2Angle(Γ, Λ, Γ'_2) → ιMirror(Γ, Λ) → Γ'_3Circle(Ε, α) → rRay(Ε, Δ) → mIntersect(r, m, 1) → ΜCircle(Α, n) → sOrthogonalLine(Α, γ) → tRay(Ε, Δ) → a_1Ray(Η, Θ) → b_1Intersect(a_1, b_1) → ΝSegment(Μ, Α) → c_1Angle(Γ, Λ, Γ'_2) → κRotate(Α, κ, Λ) → Α'Angle(Α, Λ, Α') → λMirror(Α', Λ) → Α''Vector(Α, Β) → uSegment(Γ, Ν) → e_1Segment(Α, Γ') → f_1OrthogonalLine(Γ', f_1) → g_1Circle(Γ', α) → h_1Intersect(h_1, g_1) → Π, ΡPolygon(Π, Γ', Α) → πολύγ8, α_2, π, γ'Polygon(Μ, Ε, Α) → πολύγ9, α_3, μ_1, ε_1Vector(Ε, Α) → vTranslate(Ζ, v) → Ζ'Circle(Ζ, α) → k_1Intersect(k_1, a_1, 1) → ΣPolygon(Σ, Ζ, Ζ') → πολύγ10, ζ', σ, ζ_1Polygon(Ν, Γ, Δ) → πολύγ11, δ_1, ν_1, γ_1Segment(Γ'_1, Β) → i_1OrthogonalLine(Γ'_1, i_1) → j_1Circle(Γ'_1, β) → p_1Intersect(p_1, j_1, 1) → ΤPolygon(Τ, Γ'_1, Β) → πολύγ12, β_2, τ, γ'_1Intersect(k_1, a_1, 2) → ΥPolygon(Υ, Ζ, Ζ') → πολύγ14, ζ'_1, υ, ζ_2Vector(Η, Β) → wTranslate(Κ, w) → Κ'Circle(Κ, β) → q_1Intersect(j, b_1) → ΦIntersect(j, b_1) → ΧIntersect(q_1, b_1) → Ψ, ΩPolygon(Ν, Θ, Γ) → πολύγ16, γ_2, ν_2, θ_1Rotate(Γ, (δ - (180 + 2 * w_1)°) * 3, Λ) → Γ'_4Angle(Γ, Λ, Γ'_4) → ρPolygon(Ω, Κ, Κ') → πολύγ15, κ', ω, κ_1Rotate(Α, 3 * (δ - (180 + 2 * w_1)°), Λ) → Α'_1Angle(Α, Λ, Α'_1) → ϕMirror(Α'_1, Λ) → Α_1Polygon(Α_1, Γ'_4, Α'_1) → πολύγ17, α'_1, α_4, γ'_4Segment(Ε, Ν) → l_1Segment(Ν, Η) → m_1Translate(Ι, w) → Ι'Circle(Ι, β) → r_1Intersect(r_1, b_1) → Β_1, Γ_1Polygon(Ι', Ι, Γ_1) → πολύγ7, m_2, n_2, p_2Ray(Η, Β) → n_1Ray(Ε, Α) → s_1Intersect(n_1, s_1) → Δ_1Segment(Δ_1, Η) → t_1Segment(Ε, Δ_1) → a_2Vector(Α, Γ) → zTranslate(Ξ, u) → Ξ'Translate(Ξ, z) → Ξ'_1Polygon(Ξ'_1, Ξ, Ξ') → πολύγ4, ξ', ξ'_1, ξPolygon(Ξ', Ξ, 4) → πολύγ5, d_1, b_2, c_2, d_2, Ο, Ε_1Rotate(Ξ'_1, θ, Ξ) → Ζ_1Angle(Ξ'_1, Ξ, Ζ_1) → μSegment(Ξ, Ζ_1) → e_2OrthogonalLine(Ζ_1, e_2) → f_2Circle(Ζ_1, α) → g_2Intersect(g_2, f_2, 1) → Θ_1Polygon(Θ_1, Ζ_1, Ξ) → πολύγ6, ξ_1, θ_2, ζ_3Rotate(Ξ'_1, -(θ - 90°), Ξ') → Ι_1Angle(Ι_1, Ξ', Ξ'_1) → νSegment(Ι_1, Ξ') → h_2OrthogonalLine(Ι_1, h_2) → i_2Circle(Ι_1, β) → k_2Intersect(k_2, i_2, 1) → Κ_1Polygon(Ξ', Ι_1, Κ_1) → πολύγ13, κ_2, ξ'_2, ι_1Vector(Ο, Ξ) → u_1Translate(Ξ, u_1) → Ξ'_2Translate(Ξ', u_1) → Ξ''Rotate(Ξ'_1, 90*°, Ξ) → Η_1Angle(Ξ'_1, Ξ, Η_1) → οRotate(Ξ'_1, 270*°, Ξ') → Λ_1Angle(Λ_1, Ξ', Ξ'_1) → χPolygon(Ξ'_2, Ξ, Η_1) → πολύγ18, η_1, ξ'_3, ξ_2Polygon(Ξ'', Λ_1, Ξ') → πολύγ19, ξ'_4, ξ'', λ_1Circle(Ο, o_1) → q_2Ray(Ο, Ξ) → j_2Intersect(q_2, j_2) → Μ_1, Χ_1Translate(Μ_1, u_1) → Ν_1Polygon(Ν_1, Μ_1, 4) → πολύγ20, l_2, r_2, s_2, t_2, Ο_1, Π_1Circle(Ξ, o) → c_3Intersect(c_3, j_2) → Ρ_1, Σ_1Translate(Σ_1, u) → Τ_1Vector(Ξ, Ξ'_1) → v_1Translate(Σ_1, v_1) → Υ_1Polygon(Υ_1, Σ_1, Τ_1) → πολύγ21, τ_1, υ_1, σ_1Translate(Ξ', u_1) → Ξ''_1Translate(Ξ, u_1) → Ξ'_3Translate(Ξ'_3, v_1) → Φ_1Polygon(Φ_1, Ξ'_3, Ξ''_1) → πολύγ22, ξ''_1, φ_1, ξ'_5Translate(Χ_1, u) → Ψ_1Polygon(Χ_1, Ψ_1, 4) → πολύγ23, a_3, b_3, d_3, e_3, Ω_1, Α_2Midpoint(Ξ, Ξ') → Β_2Rotate(Ξ'_1, n, Β_2) → Γ_2Angle(Ξ'_1, Β_2, Γ_2) → ψRotate(Ξ, n, Β_2) → Ξ'_4Angle(Ξ, Β_2, Ξ'_4) → α_1Mirror(Ξ'_4, Β_2) → Δ_2Polygon(Δ_2, Γ_2, Ξ'_4) → πολύγ24, ξ'_6, δ_2, γ_3Translate(Ξ', v_1) → Ξ''_2Mirror(Ξ''_2, Ξ') → Ε_2Polygon(Ξ, Ξ', Ε_2) → πολύγ25, ε_2, ξ_3, ξ'_7Segment(Φ_1, Η_1) → f_3Segment(Η_1, Ε_2) → g_3Segment(Ε_2, Λ_1) → h_3Segment(Λ_1, Φ_1) → i_3Segment(Γ, Δ) → j_3
AI 绘图提示语参考
画一个直角三角形,并在两条直角边上分别作正方形,展示斜边上的正方形面积等于两个直角边正方形面积之和。通过坐标几何方法,用圆和旋转构造辅助图形,标示关键点和线段,最终呈现勾股定理的直观证明。
以上提示语为根据原始绘图命令整理而来,仅供参考。