D =12cm t =25cm V=…?​

r = ½ x d

r = ½ x 12

r = 6 cm

V = π x r² x t

V = π x 6² x 25

V = π x 36 x 25

V = 900π

Atau …

V = 900 cm x π

V = 900 cm x 3,14

V = 2.826 cm³