Geometry Collections
The collections shared below are grouped by type of geometric shape.
Please note that there is overlap between collections, and the same question can be found under more than one category.

Museum of Art, Philadelphia
Circles in a Circle by W. Kandinsky
The geometry collections linked below comprise problems adapted from texts of historical significance in the development of mathematics.
We are continuously working on expanding our historical collections. Please check back soon for new additions.
At inception, I was defined as one
ten-millionth of the distance between the equator and
the north pole.
One Meter
Math more: