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
Correct Answer: Option D
Explanation
(frac{26}{130}) = (frac{x}{360})
130x = 26 x 360
= 9360
x = (frac{9360}{130})
= 72o