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jason9394
29.08.2019 •
Mathematics
Suppose you want to show the data in a circle graph. find the measure of the central angle for 7th grade. round your answer to the nearest degree, if necessary.
grade number of students
4th 45
5th 25
6th 60
7th 50
8th 60
9th 45
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Ответ:
The sum of angle in a circle = 360 degree
The total grade number of students = 45+25+60+50+60+45 = 285
The measure of the central angle for each student = (360/285) x 1 = 1.26 degree
In 7th grade, the number of student = 50, so the measure of central angle for grade 7th students = 50 x 1.26 = 63 degreeОтвет:
The answer is B
I did that question and i got it right
Step-by-step explanation: