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r = 10 cm
t = 8 cm
Ditanya :
V = ... ?
Jawab :
V = π × r² × t
= 3,14 × 10² × 8 cm
= 3,14 × 100 × 8 cm
= 314 × 8 cm
= 2.512 cm³
Diket :
d = 28 cm (r = 14 cm)
t = 10 cm
Ditanya :
V = ... ?
Jawab :
V = π × r² × t
= 22/7 × 14² × 10
= 616 × 10 cm
= 6.160 cm³