Using a pentagon to create a curve of constant width. I’m creating all this work on my own, so if you like my content and would like to see more, I’d appreciate your support. In my bio, you can leave a tip in my Linktree.~ | Beau Janzen

The Reuleaux Triangle is one shape other than a circle that can be rotated inside a square and remain in constant contact with all four sides of the square. If the square has a perimeter of 16, what is the perimeter of the triangle? See the answer: https://brilliant.org/problems/shapes-of-constant-width/?utm_source=facebook&utm_medium=social&utm_campaign=fb_posts_01132017&utm_content=pt_reuleaux | Brilliant.org

Solids of constant width | Steve Mould