We discuss fun and educational Valentine’s Day themed activities for the home and the classroom.

# Tag: Geometry

## Geometry Quiz: How well do you know geometry?

Try to answer these 5 geometry questions to see how well you know geometry!

## Double the Size of that Altar

We describe the circumstances that led to the problem of antiquity of doubling a cube. We then show that, using only straight-edge and compass, that this is impossible.

## Da Vinci’s Theorem.

We show that the set of symmetries of any polygon is isomorphic to the set of symmetries of a regular polygon. This is a result attributed to Leonardo da Vinci.

## Symmetry of regular polygons

We determine how regular polygons are symmetrical.