Math, asked by voltnet10, 2 months ago

if 45% of students of a school play for 2 hours the central angle of students represented by this is ____​

Answers

Answered by amitnrw
2

Given :  45% of students of a school play for 2 hours

To Find : the central angle of students represented

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

100 % of students are represented by 360°

=> 1% of students are represented by 360°/100 = 3.6°

=> 45 % of students are represented by = 45 x 3.6° = 162°

if 45% of students of a school play for 2 hours the central angle of students represented by this is 162°

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