Respuesta :

6ft

the area = base x height
120ft = 20ft x height
height = 120/20 = 6ft
ricchad

Answer:

h = 6 ft.

Step-by-step explanation:

area = base x height

where base = 20 ft.

        height = ?

           area = 120 ft²

plugin values into the formula

120 = 20 x height

height = 120  

               20

height = 6 ft.