The pie chart above illustrate the amount of private time a student spends in a week studying various subjects. Find the value of k
Attached Figure / Diagram
A
90o
B
60o
C
30o
D
40o
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
K + 2K + 3K + 75 + 105 = 360 (at a point)
6K + 180 = 360
6K = 360 - 180
6K = 180
k = 180/6 = 30º
Source: Myschool Past Questions Archive (Record #9150)