Penjelasan dengan langkah-langkah:
V.tabung = πr²t
Tinggi Tabung I
πr²t = 2646π
21²t = 2646
441t = 2646
t = 2646/441
t = 6
Tinggi Tabung II
t = t.I : 3
= 6 : 3
= 2
- Jari jari tabung II
πr²t = 98π
r²t = 98
r²(2) = 98
r² = 98/2
r² = 49
r = √49
r = 7
(timothy)
Jawaban:
Jari-Jari Tabung II = 7cm
Tinggi Tabung I = 6cm
Tinggi Tabung II = 2cm
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Penjelasan dengan langkah-langkah:
V.tabung = πr²t
Tinggi Tabung I
πr²t = 2646π
21²t = 2646
441t = 2646
t = 2646/441
t = 6
Tinggi Tabung II
t = t.I : 3
= 6 : 3
= 2
- Jari jari tabung II
πr²t = 98π
r²t = 98
r²(2) = 98
r² = 98/2
r² = 49
r = √49
r = 7
(timothy)
Jawaban:
Jari-Jari Tabung II = 7cm
Tinggi Tabung I = 6cm
Tinggi Tabung II = 2cm