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Verified answer
Volume Kerucut = ¹/₃.π.r².tMencari tinggi dengan phytagoras
Volume Tabung = π.r².t
Tinggi Tabung = 25 - (tinggi kerucut) - (jari-jari)
= 25 - 12 - 5
= 8 cm
Volume Tabung = (3,14) × (5²) × 8
= 3,14 × 25 × 8
= 3,14 × 200
= 628 cm³
Volume ¹/₂ Bola = (¹/₂) × (⁴/₃) × π × r³
= (¹/₂) × (⁴/₃) × (3,14) × (5³)
= (²/₃) × (3,14) × (125)
= 261,7 cm³
Volume Bangun = (314 + 628 + 261,7) cm³
= 1.203,7 cm³ ...........Jawaban (B)