The pie chart above shows the distribution of subjects offered by students in SSS III level. If 80 students enrolled in the class. What is the size of the angle of the sector in economics?
Attached Figure / Diagram
A
24o
B
39o
C
32o
D
36o
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
xo + 36o + 54o + 28o + 90o + 120o = 360o
x + 328o = 360o
x = 360o - 328o
x = 32o
Source: Myschool Past Questions Archive (Record #44771)