Respuesta :

mreijepatmat
Volume of a Trapezoidal Prism = Area of Trapeze (front of figure) x height

Area of Trapeze = (B+b)H/2 = (3+2)x(2.1)/(2) = 5.25 in²

Volume of a Trapezoidal Prism  = 5.25 x 4 = 21 in³