Four points
I drew a square whose sides were an integral number (less than 80) of centimetres long. Within the top left-hand quarter of the square I marked four points, each of which was an integral number of centimetres, not only from each side of the square but also from both the top left-hand corner and the bottom right-hand corner of the square. How long was each side of the square?
WIN £15 will be awarded to the sender of the first correct answer opened on Wednesday 9 June. The Editor’s decision is final. Please send entries to Enigma 1594, …
