Copyright © University of Cambridge. All rights reserved.

## 'Maths Filler 2' printed from http://nrich.maths.org/

The A is the most awkard letter. Before you start plot the A on
squared paper and work out the areas of each of the cross sections
at the various heights. Don't forget that you can work in fractions
of whole squares and use the formula for the area of a
trapezium.