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Matematika - Bangun Ruang

V bangun = V bangun I + V bangun II
= V balok + (3/4 × V tabung)
= (L a balok × t balok) + (3/4 × L a tabung × t tabung)
= (L persegi × t balok) + (3/4 × L lingkaran × t lingkaran)
= (s^2 × t balok) + (3/4 × phi × r^2 × t lingkaran)
= ((7 cm)^2 × 16 cm) + (3/4 × 22/7 × (7 cm)^2 × 16 cm)
= (49 cm^2 × 16 cm) + (3/4 × 22/7 × 49 cm^2 × 16 cm)
= 784 cm^3 + (3/4 × 22/7 × 784 cm^3)
= 784 cm^3 + (3/4 × 2.464 cm^3)
= 784 cm^3 + 1.848 cm^3
= 2.632 cm^3