Equilateral Triangle Inscribed In An Equilateral Triangle

| View Cart ⇗ | Info

Illustration used to prove that triangle EFD is equilateral given that triangle ABC is equilateral and AE=BF=CD.


C. A. Hart & Daniel D. Feldman Plane And Solid Geometry (New York: American Book Company, 1911) 32


TIFF (full resolution)

2436×2400, 262.4 KiB

Large GIF

1024×1008, 28.8 KiB

Medium GIF

640×630, 16.5 KiB

Small GIF

320×315, 7.6 KiB