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Matematika
fibri7
Pertanyaan
tolong yaa pliss... sekalian caranya
1 Jawaban
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1. Jawaban diyaaann2
v tabung = πr²t
83160 = 22/7×r²×60
83160 = 1320/7r²
r² = 83160×7/1320
r² = 441
r = √441
r = 21
jadi jari jari= 21cm
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