Can you explain the strategy for winning this game with any target?
Draw a square. A second square of the same size slides around the
first always maintaining contact and keeping the same orientation.
How far does the dot travel?
Can you explain how this card trick works?
Thank you to Gareth Matthews, Llantwit
Major Comprehensive School for this solution. Jenny Cook, age 15,
The Mount School York, Andrei Lazanu, age 12, School 205,
Bucharest, Romania and Clement Goh, age 13, from River Valley High
School, Singapore all sent good solutions.
I used algebra to get my answer.