tolong dijawab ya kak...nomor 15 pake caranya...

Volume balok = p x l x t
V = 7 x 6 x 5
V = 210 dm³
Volume tabung = phi x r² x t
V = 22/7 x 1,75² x 3
V = 28,875 dm³
Volume total = volume balok + volume tabung
Vt = 210 + 28,875
Vt = 238,875 dm³