Construction Of A Heptagon

| View Cart ⇗ | Info

An illustration showing how to construct a heptagon, or septagon. “The appotem a in a hexagon is the length of the side of the heptagon. Set off AB equal to the radius of the circle; draw a from the center C at right angles to AB; then a is the required side of the heptagon.”


Albert A. Hopkins Scientific America: Handy Book Of Facts And Formulas (New York: Munn & Co., Inc., 1918) 37


TIFF (full resolution)

2400×2324, 313.7 KiB

Large GIF

1024×991, 34.9 KiB

Medium GIF

640×619, 20.1 KiB

Small GIF

320×309, 8.5 KiB