The following pie chart shows the number of workers of different categories A, B, C, D, E, F, G and H in a factory in 1995.
What is the central angle (angular value) for category B of the pie chart?
1
55°
2
54°
3
57°
4
56°
The following pie chart shows the number of workers of different categories A, B, C, D, E, F, G and H in a factory in 1995.
What is the central angle (angular value) for category B of the pie chart?