Respuesta :

The area of the triangular base is
  A = (1/2)bh
  A = (1/2)(5 units)(12 units)
  A = 30 units²

The "height" of the prism is 6 units, so the volume is
  V = (area of base)×(height)
  V = (30 units²)×(6 units)
  V = 180 units³

The appropriate choice is
  A. 180 units³