tolong yahhh..........

d =84
2r=84
r=42

V=πr^2t
= 22/7 × 42 ×42 × 76
=421,344cm^3

Jari - Jari = ½ × D = ½ × 84 cm = 42 cm
Volume Tabung :
V = πr²t
V = 22/7 × 42 × 42 × 76
V = 22 × 6 × 3.192
V = 132 × 3.192
V = 421.344 cm³

Jawaban : D. 421.344

Maaf Kalau Salah