V tabung = 22÷7 × r × r × t
= 22÷7 × 28 × 28 × 20
= 344.960 cm3 ÷ 7
= 49.280 cm3
V kubus = r × r × r
= 28 × 28 × 20
= 15.680 cm3
V total = V tabung + V kubus
= 49.280 + 15.680 (cm3)
= 64.960cm3
Hope that helps :3
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V tabung = 22÷7 × r × r × t
= 22÷7 × 28 × 28 × 20
= 344.960 cm3 ÷ 7
= 49.280 cm3
V kubus = r × r × r
= 28 × 28 × 20
= 15.680 cm3
V total = V tabung + V kubus
= 49.280 + 15.680 (cm3)
= 64.960cm3
Hope that helps :3