Using the interactivity, can you make a regular hexagon from yellow triangles the same size as a regular hexagon made from green triangles ?
If the yellow equilateral triangle is taken as the unit for area, what size is the hole ?
Which of these roads will satisfy a Munchkin builder?
Which of these triangular jigsaws are impossible to finish?
Can you make a square from these triangles?
Can you work out where the blue-and-red brick roads end?