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= Luas Lingkaran Alas + Luas Selimut Tabung + Luas 1/2 Bola
= πr² + 2πrt + 1/2 × 4πr²
= 3,14 × 10² + 2 × 3,14 × 10 × 12 + 2 × 3,14 × 10²
= 314 + 753,6 + 628
= 1.695,6 cm². (C)