SOLUTION: I'm in 9th grade. These are graded questions. These are on circle graphs: 1.Find the measure of the central angle that you would draw to represent 47% in a circle graph. Round

Question 770009: I'm in 9th grade. These are graded questions.
These are on circle graphs:
1.Find the measure of the central angle that you would draw to represent 47% in a circle graph. Round your answer to the nearest degree.
2.
Grade:4th Number of Students:45
Grade:5th Number of Students:25
Grade:6th Number of Students:60
Grade:7th Number of Students:50
Grade:8th Number of Students:60
Grade:9th Number of Students:45
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.
I've been trying to figure this out for 2 hours and 33 minutes. If anyone can help me...I would be so appreciative.
Found 2 solutions by stanbon, mananth:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
1.Find the measure of the central angle that you would draw to represent 47% in a circle graph. Round your answer to the nearest degree.
Ans: 0.47*360 = 169 degrees
------------------------------------------
2.
Grade:4th Number of Students:45
Grade:5th Number of Students:25
Grade:6th Number of Students:60
Grade:7th Number of Students:50
Grade:8th Number of Students:60
Grade:9th Number of Students:45
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.
Ans: (50/285)*360 = 63 degrees
===================================
Cheers,
Stan H.

Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!

students--------central angle
45 56.84
25 31.58
60 75.79
50 63.16
60 75.79
45 56.84
Total
285 360
Calculation:
repeat for all
Central Angle for 47%
47%== 0.47 *360 =169.2 degrees

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