Tolong jawab.........!!!!!!!!!!

vb1 = 5x5x5 = 125
vb2=9x18x5 = 810

vb1+vb2 = 810 + 125 = 935 cm3

bangun kubus = s x s x s
=5 x 5 x 5
=125

bangun balok= p x l x t
=18 x 9 x 5
=810

volume semuanya 810+125
=935 cm (b)