AQA Geography unit 2 - 25th May 10 - post exam discussion

And for the pie chart, I used a protractor and did it accurately. It came up in my mock, and my teacher said you're meant to have those things, and it's to be done accurately. But they were sly, I noticed on the front it said:
'For this paper you will need:
A calculator
Nothing else is required for this exam'
WTF????