40 POINTS! Thank you so much if you answer!
2 answers:
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First we should write the total numbers:
12+8+6+4=30
then we should divide the number 30 by 360(because the pie chart is 360 degrees):
now we should multiply 12(the number of students who likes rock) by 12
the answer is 144 degrees
12+8+6+4=30
then we should divide the number 30 by 360(because the pie chart is 360 degrees):
now we should multiply 12(the number of students who likes rock) by 12
the answer is 144 degrees