A set of data contains a total of 130 items which are divided into six groups for display on a pie chart. If one group contains 26 items, then the sector representing this group on the pie chart contains an angle xo at the centre of the circle where x is
A
36o
B
60o
C
70o
D
72o
E
75o
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
\(\frac{26}{130}\) = \(\frac{x}{360}\)
130x = 26 x 360
= 9360
x = \(\frac{9360}{130}\)
= 72o
Source: Myschool Past Questions Archive (Record #32624)