Copyright © University of Cambridge. All rights reserved.

'Wrapping Gifts' printed from http://nrich.maths.org/

Show menu



A box of size $a$ cm by $b$ cm by $c$ cm is to be wrapped with a square shaped piece of wrapping paper. Cutting the paper is not allowed so what is the smallest square this sheet can be?

Now suppose we want to wrap up a cube, what is the smallest square of wrapping paper that can be used to minimise wastage?