MathDB

3

Part of 1994 Poland - Second Round

Problems(1)

plane passing center of cube intersects the cube in cyclic hexagon, regular ?

Source: Polish second round 1994 p3

1/19/2020
A plane passing through the center of a cube intersects the cube in a cyclic hexagon. Show that this hexagon is regular.
PlaneCyclichexagonRegulargeometry3D geometry