Given:-
57 students in a physics course earned A.
79 students course earned B.
102 students course earned C.
94 students course earned D.
53 students failed the course.
To find:-
How many degrees would be used to indicate the region A.
Total number of students is,
Now we find the degrees to indicate the region A. we get,
So the required soluion is 53.29 degrees.