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.

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Museum of Art, Philadelphia

Circles in a Circle by W. Kandinsky

I am the distance

light travels in


of a second.

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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.

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A Steiner's Chain

At inception, I was defined as one

ten-millionth of the distance between the equator and

the north pole.

One Meter