tolong aku yah cuman 1 nomor kok yng nomer 22 ajah.....pake caranya ya....nanti aaq jadikan jwbn kamu terbranly

22) misal volume = 1 bagian
sisa = 1 - ¾ = 4/4 - ¾ = 1/4
d = 56 cm
r = 28 cm

V = ¼ × π × r² × t
= ¼ × 22/7 × 28 × 28 × 84
= 51.744 cm³ ( C )