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Volume kubus=r^3.
=(15^3)cm^3.
=3.375 cm^3.
Volume kaleng=phi × r × r × t.
=(3,14 × 7,5 × 7,5 × 15)cm^3.
=2.649,375 cm^3.
Volume kubus diluar kaleng=Vkubus - Vtabung.
=(3.375 - 2.694,375)cm^3.
=725,625 cm^3.