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=4/3 × 22/7 × 14 × 14 ×14
=11.498,66 cm3
4/3 × 3,14 × 14 × 14 × 14
=11.488,21cm3
luas =4 × phi × r × r
= 4 × 22/7 × 14 × 14
=2.464cm2
=4 × 3,14 × 14 ×14
=2461,76 cm2