Copyright © University of Cambridge. All rights reserved.

Mark marked out the points $J$, $K$, $L$ and $M$ on a straight line, so that $JK=13$cm, $KL=11$cm, $LM=14$cm and $MJ=12$cm. What is the distance, in cm, between the two points furthest apart?

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

*This problem is taken from the UKMT Mathematical Challenges.*

View the current weekly problem