RT @MathigonOrg: Archimedes discovered that if you add the volume of a cone and a sphere, you get the volume of their bounding cylinder. It’s one of the most beautiful results in 3D geometry! Learn more at https://mathigon.org/course/circles/spheres-cones-cylinders#sphere-volume

🐦🔗: https://nitter.eu/ClaraPonsati/status/1593910609250160640