Volume tabung 1,57liter dgn ketinggian tabung 20cm berapa jari jari nya?
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[tex]\Large\underline{\sf{Jawaban}}[/tex]
= 1,57 liter
= 1570 Cm³
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Volume = π × r² × t
1570 = 3,14 × r² × 20
1570 = 62,8 × r²
r² = 1570 ÷ 62,8
r² = 25
r = √25
r = 5 cm
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