Tolong jawab kak pake caranya ya​

Jawaban:

tinggi tabung (t) = 20 cm

volume tabubg (v) = 12.320 cm³

v = πr²t

12.320 = 22/7 x r² x 20

12.320 = 440/7 x r²

r² = (7 x 12.320)/440

r² = 196

r = √196

r = 14 cm

jadi jari² alas tabung = 14 cm