How far have these students walked by the time the teacher's car
reaches them after their bus broke down?
If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?
Experiment with the interactivity of "rolling" regular polygons, and explore how the different positions of the red dot affects the distance it travels at each stage.
Congratulations to those of you who managed to
find the right answer.
Robyn from the Katherine Semar Junior School
was one of the first to send in a correct answer:
Robert and Joel from Cowbridge
Comprehensive also sent in correct solutions.
Here is Robert's nice piece of detective
Robert goes on to consider on which side of
the pentagon the dot must have been placed:
Thank you Cristina, from City of London
School for Girls, for sending us a very comprehensive