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• 360° = 240 siswa
• 180° = 120 siswa
• 90° = 60 siswa
• 60° = 40 siswa
• 30° = 20 siswa
•> rawon = 60° = 40 siswa
•> soto = 90° = 60 siswa
•> Somay = 30° = 20 siswa
•> Pempek = 30° = 20 siswa
•> Bakso = (360-30-30-60-90)
~~~~~~~ = (360-210)
~~~~~~~ = 150°
~~~~~~~ = (150/360)×240
~~~~~~~ = 100 siswa
pernyataan yg tidak benar adalah #D, karena pempek peminatnya berjumlah 20 siswa bukan 30
32)
s2 = 360-(120+80+30+90)
s2 = 360-320
s2 = 40°
smp = 90° = 180 org
*dgn perbandingan didapat :
90° = 180 org
30° = 60 org
10° = 20 org
s2 = 40°
s2 = 4(10°)
s2 = 4(20)
s2 = 80 org #C