Year 9 students from Halle School were asked to choose one language to study The table shows information about their choices

(a) Draw an accurate pie chart to show this information,

You need to calculate the measure of each section in degrees considering the sum of all your data (56+40+24=120) and the total measure of the pie chart (360 degrees). after that just draw the angles using a protractor and it should come something like this.
hope this helps :)

The answer is 1 because you have to flip the sign when dividing by negative number and 3