tolong bangett kak, sama jalanya ya

Dik:
AB = 16 cm
BC = 12 cm
BG = 13 cm

Dit:
Volume = ...?

Penyelesaian:
CG^2 = BG^2 - BC^2
          = 13^2 - 12^2
          = 169 - 144
          = 25
CG     = 5

V = AB x BC x CG
    = 16 x 12 x 5
    = 960 cm^3