Respuesta :

Answer:

  5 ft

Step-by-step explanation:

The area of a trapezoid is given by the formula ...

  A = 1/2(b1 +b2)h

The height is found by solving this equation for h:

  2A/(b1 +b2) = h

  h = 2(25.5)/(3.2 +7) = 51/10.2 = 5 . . . . fill in the given values

The height of the trapezoid is 5 feet.