problem
Polygon Walk
Go on a vector walk and determine which points on the walk are closest to the origin.
problem
Favourite
Vector Walk
Starting with two basic vector steps, which destinations can you reach on a vector walk?
problem
Favourite
Flexi Quads
A quadrilateral changes shape with the edge lengths constant. Show the scalar product of the diagonals is constant. If the diagonals are perpendicular in one position are they always perpendicular?