volum bangun berikut adalah...

Jari jari tabung = jari jari bola
r = 7 cm
rbola = tbola
t bola = 7 cm
t tbung = 12 - 7 = 5 cm

V = Vtbg + V1/2 bola
= pi x r^2 x t.tbg + 1/2 x 4/3 x pi x r^3
= 22/7 x 7 x 7 x 5+ 4/6 x 22/7 x 7 x 7 x 7
= 770 + 718,666
=1.488,67 cm^3 (a.)