Constant width shapes
Jan R Sandbakken
The construction of a constant width shape is shown. Constant width shapes can, like the wheel and the Reulaux triangle, rotate between parallel lines, and it will not fall through a hole of the same shape however you rotate it.
Dot Plot and Box and Whisker Plot (Set 1)
Composée translations = addition vecteurs
Law of Sines
Plane Figures or Shapes