MATEMATIKA KELAS 9. BAB BRSL. BRSL GABUNGAN. PLEASE SAMA CARA

Volume = 1/2 V.bola + V.tabung + V.kerucut

= (1/2×4/3×phi×r^3) + (phi×r×r×t) + (1/3×phi×r×r×t)

= (4/6×3,14×2×2×2) + (3,14×2×2×5) + (1/3×3,14×2×2×4)

= 16,746 + 62,8 + 16,746

= 34,120 cm^2