tinggi tabung 20 cm luas alas 7 cm Tentukan volumenya
volume tabung = π × r² × t
v = [tex]\frac{22}{7}[/tex] × 7² × 20
v = [tex]\frac{22}{7}[/tex] × 49 × 20
v = [tex]\frac{22}{7}[/tex] × 980
v = 3.080 cm³