hitung volume tabung jika diameter= 28 cm tinggi= 12 cm!

V. Tabung
= L. Alas × t.
= phi × r × r × t.
= 22/7 × 14 × 14 × 12.
= 616 × 12.
= 7.392cm3.

volume tabung = 22/7× r×r×t
=22/7×(28:2×28:2)×12cm
=22/7×14cm×14cm×12cm
=22×2cm×14cm×12cm
=7.392 cm3