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= 1/3 ×3.14 × 3.5 ×3.5 × 9
= 115,395 cm3
V tabung= π×r×r×t
= 3.14× 3.5×3.5×6
=230.79
V kerucut = 1/3×3.14×3.5×3.5×6
= 76.93
V gabungan=115.395+230.79+76.93=424.115
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