Tolong bantu jawab ya pakai cara

t = 200 cm = 20 dm
v1/2 tabung = 1/2 × 22/7 × 7 × 7 ×20
v1/2 tabung = 11 × 7 × 20
v1/2 tabung = 11 × 140
v1/2 tabung = 1540

v=Lₐ × T
=[tex] \pi [/tex] 70²cm × 200cm
=15400 × 200
=3080000
= 3080

1/2 v
1/2 × 3080=1540