Anchor Hocking Decagon Tumblers

Incase Geometry coincided with your cig break behind the portables, here's a quick lesson:

The Decagon is a ten sided polygon as seen here in a set of emerald coloured vintage tumblers made by Anchor Hocking. 

Catching light, the glass will brighten up to a vibrant green and stun from each of the ten identical angles sprouting from its thick cut circular base. 

Capacity: 10oz

Fun Fact: Myriagon is the name given to a polygon comprised of 10,000 sides and has been used in Philosophy to illustrate thought.