Question

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190 students like the program
135 student think the program is unnecessary
220 students plan on running for student government next year

if a circle graph were made from this, what would the central angle be for the group that likes the program

Answer 1

please help me

Answer 2

So, with a circle graph, the size of the group determines the size of the central angle you make for graphing that group. The total angle in a circle is 360 degrees, so the total size of all the groups creates a proportion.

If you want to find the central angle, x, for the group that likes the program, take the number of people in that group over the total number of people. That will equal central angle over 360:
\[\frac{ 190 }{ 545 }=\frac{ x }{ 360 }\]
\[x=(\frac{ 190 }{545 }) * 360 = \frac{ 13680}{ 109 } \approx 125.5\]

Answer 3

thank you so much