Luas selimut tabung 550 cm2. jika tingginya 14 cm, maka volumenya adalah....
A. 1310 cm2
B. 1678,25 cm2
C. 1718,75 cm2
D. 1817,25 cm2
A. 1310 cm2
B. 1678,25 cm2
C. 1718,75 cm2
D. 1817,25 cm2
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Verified answer
Materi: Bangun RuangTabung
L.s.t = 550 cm²
L.s.t = 2πrt
550 = 2 × 22/7 × r × 14
550 = 88 × r
r = 550/88
r = 6,25 cm
V = πr²t
V = 22/7 × 6,25 × 6,25 × 14
V = 1.718,75 cm³
Jawaban C