Math, asked by pavankrishnareddymar, 2 months ago

A SURVEY OF 300 PEOPLE FOUND THAT 30 OF THEM PLAY CRICKET.IN A PIE CHART , WHAT WOULD BE THE SECTOR ANGLE OF THIS GROUP

Answers

Answered by amitnrw
4

Given  : A survey of 300 people found that 30 of them play cricket.

To Find :  In a pie chart, what would be the sector angle of this group ?

(A) 20°

(B) 36°

(C) 30°

(D) 10°​

Solution:

A pie chart (or a circle chart) is a circular statistical graphic, which is divided into slices to illustrate numerical proportion.

In a pie chart, the arc length of each slice (and consequently its central angle and area), is directly proportional to the quantity it represents.

In a pie chart, each sector represents a particular part of data  

and  the magnitude of the sector is directly proportional to the magnitude of the specific part of the data

Complete pie chart is a circle hence 360° represent complete data

300 people =  360°

=> 1 people =  360°/300

=> 30 people =  30 x 360°/300   = 36°

36°  sector angle  

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