Search

Outline

  1. Geometric Construction   幾何作圖
    1. Basics 基礎
    2. Line Segments 線段
    3. Triangles 三角形
    4. Circles 圓形
    5. Advanced 進階

    Geometric Construction   幾何作圖

    Author:Robin Padron, TLLF
    A collection of construction problems with rulers and compasses 尺規作圖問題集
    Geometric Construction   幾何作圖

    Table of Contents

    • Basics 基礎

      • Free Construction 隨意畫
      • Equilateral Triangle 等邊三角形
      • Midpoint 中點
      • Perpendicular Bisector 垂直平分線
      • Side-Side-Side 邊邊邊
      • Perpendicular Lines 垂直線 (1)
      • Perpendicular Lines 垂直線 (2)
      • Parallel Lines 平行線
      • Angle Bisector 角平分線
    • Line Segments 線段

      • Free Construction (with more tools) 隨意畫
      • Line between Points 與兩點等距的直線
      • Copy of Angle 複製角度
      • Line and Angle 線與角 (1)
      • Line and Angle 線與角 (2)
      • Trisect Line Segment 三分線段
    • Triangles 三角形

      • Circumcircle 外接圓
      • Incircle 內接圓
      • Equilateral Triangle over Circle 外接等邊三角形
    • Circles 圓形

      • Rectangle in Circle 長方形的外接圓
      • Right-angled Triangle in Circle (1) 圓內直角三角形
      • Right-angled Triangle in Circle (2) 圓內直角三角形
      • Tangent at a Point 圓上點的切線
      • Tangent from External Point 由圓外點畫切線
      • Three Mutually Tangent Circles (1) 三圓互切
      • Three Mutually Tangent Circles (2) 三圓互切
    • Advanced 進階

      • Equidistant Point 等距點
      • Chord Trisection 三分弦
      • Equilateral Triangle on Parallel Lines 平行線上的等邊三角形
      • Equilateral Triangle on Right Angle 垂直線上的等邊三角形
    Next
    Free Construction 隨意畫

    New Resources

    • Graphing a Circle in Polar Coordinates
    • Astroid
    • Cosine in Cartesian and Polar Coordinates
    • Tracing r = 2 cos(θ)
    • apec

    Discover Resources

    • Degree Measure - Positive and Negative Angles
    • Transformations
    • Triangle and straight line angles
    • Cross Sections of a Square Based Pyramid
    • Construction 9: Hexagon

    Discover Topics

    • Set Theory
    • Stochastic Process or Random Process
    • Solids or 3D Shapes
    • Piecewise Functions
    • Random Experiments
    AboutPartnersHelp Center
    Terms of ServicePrivacyLicense
    Graphing CalculatorCalculator SuiteMath Resources

    Download our apps here:

    Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

    © 2025 GeoGebra®