hitunglah volume tabung dengan jari jari alas 20 cm dan tinggi 50 cm

VTabung = La × T
= 3.14 × 20 × 20 × 50
=62.8 × 20 = 1256
=1256×50 = 62.800

volume tabung=3,14x20pangkat2x50
=3,14x400x50
=3,14x20000
=62.800cmkubik
=628 Liter