Diketahui luas selimut tabung 1408cm² jikaTinggi tabung 28cm.berapa volume tabung?

Luas Selimut = 2.π.r.t
1.408 = 2 x 22/7 x r x 28
1.408 = 44 x r x 4
1.408 = 176 r
r = 1.408 / 176
r = 8 cm

Volume = π.r².t
V = 22/7 x 8² x 28
V = 22 x 64 x 4
V = 88 x 64
V = 5.632 cm³