Triangles for Kids: Why the Strongest Shape Has Three Sides

The story of triangles for kids: why a triangle will not squash flat when a square does, and how Gustave Eiffel built his tower in Paris from triangles in 1889. • What engineers mean by rigidity • How more than 18,000 iron pieces in the Eiffel Tower are laced into triangles • Where triangles hold things firm, from bicycle frames to bridges • Quiz questions to answer along the way Maths is Not Boring: rated 5★ on Apple Podcasts and 4.7★ on Spotify. Follow or subscribe to hear the story of a new great idea in maths every day.