Copyright © University of Cambridge. All rights reserved.

'Weekly Problem 51 - 2009' printed from http://nrich.maths.org/

Show menu


We plot $J$ and $K$ $13$ apart. There are a number of options for where to add $L$ and $M$, but working systematically we find that only one option is consistent with $MJ$ being $12$. The final layout looks like


The distance between the points furthest apart is $11+2+12=25$.

This problem is taken from the UKMT Mathematical Challenges.

View the previous week's solution