berapa volume bangun tabung tersebut....cm

VOLUME=3,14×r×r×t
21/2=10,5 =3,14×10,5×10,5×100
=34618,5×100
=3461850 cm³
Maaf jika salah ^_^

r =>> 21 cm
d =>> 10,5 cm
t =>> 100 cm

V =>> π r ^2 × t
=>> 3,14 × 10,5 × 10,5 × 100
=>> 346,185 × 100
=>> 34.618,5 cm3