Save guides, add subjects and pick up where you left off with your BBC account. Circle theorems are properties that are true for all circles, regardless of their size. There are six theorems to ...

The style is attractive, and the treatment interesting. Plane Geometry: An Account of the More Elementary Properties of the Conic Sections, treated by the Methods of Co-ordinate Geometry ...

In 1917, the Japanese mathematician Sōichi Kakeya posed what at first seemed like nothing more than a fun exercise in geometry ... you’ll get a circle. But it’s possible to move the needle ...

The problem involves a subfield called geometric measure theory, in which sets of objects are generalized in an advanced way using properties ... through the lens of geometry can shake loose ...

In 1917, the Japanese mathematician Sōichi Kakeya posed what at first seemed like nothing more than a fun exercise in geometry. Lay an infinitely thin ... If you simply spin it around its center, ...