Respuesta :

The formula of the area of a trapezoid is equal to:
Area = (a+b) / 2 * h

Substituting the values.
9 = (2.4 + 3.6) / 2 * h
9 = 6 / 2  h
9 = 3h
h = 3

So the height of the trapezoid is equal to 3m.