Question

In a pie chart, grades A, B, C, D and E are representing the annual performance of the students in a class. Central angles of sectors representing grades A, C, D and E are given as 63 degrees, 63 degrees, 18 degrees and 18 degrees respectively. Find the central angle of sector representing students who have got B grade.Required to answer. Single choice.

(1 Point)

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Answer 1

Answer:

⇒ The number of students who scored grade C is twice of the number who scored in grade B.

⇒

5

3

of the students scored grades B and C.

∴ Number of students scored in grade C=

5

2

⇒ The angle of sector which represents grade C=

5

2

×360

o

=144

o

.

Step-by-step explanation:

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