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Volume Bola
V =
904,32 =
904,32 =
r³ = 904,32 :
r³ = 904,32 x
r³ =
r³ = 216
r = ∛216
r = 6 cm
Luas seluruh bola
L = 4 x
L = 4 x 3,14 x (6)²
L = 4 x 3,14 x 36
L = 3,14 x 144
L = 452,16 cm²
NOMOR 2
Volume Tabung
V =
V =
V =
V =
V =
V = 9.240 cm³
Luas Tabung
L = 2 x
L = 2 x
L = 2 x
L =
L =
L = 2.552 cm²