Geometry Tasks

Table of Contents

• Langley Problem

  • Langley Problem
  • octadecagon

• squares and parallelogram

  • squares around parallelogram
  • more squares and parallelograms
  • pentagonal tiling from squares and parallelograms

• pentagonal tiles

  • Cairo Tiling 1
  • Cairo Tiling 2

• opposite sides and angles of hexagon

  • opposite sides and angles of hexagon
  • opposite angles of hexagon
  • opposite side length of hexagon
  • parallel opposite sides of hexagon

• treasure island

  • Treasure Island Puzzle

• Sangaku

  • A Sangaku Problem
  • Sangaku (算額)：Five Circles in a Square (Solution)