Foundation November 2018 Paper 2 Q26

26 An approximation for the value of \(\pi\) is given by

\[4\left(1 - \frac{22}{57} + \frac{22}{85} - \frac{22}{105} + \frac{22}{117} - \frac{22}{242}\right)\]

Use your calculator to show that this approximation is within 0.1 of 3.14 [2 marks]