CSEC Mathematics · January 2008 · Paper 2 · Question 9(b)(i)

The lengths, in cm, of the sides of a right-angled triangle are a, (a – 7), and (a + 1).

Using Pythagoras theorem, write an equation in terms of a to represent the relationship among the three sides.

This question uses a figure or table from the paper — you'll see it when you practise.