Respuesta :

Step-by-step explanation:

77 ft

Answer:

 101.5 ft^2

Step-by-step explanation:

The area of a trapezoid is given by

A = 1/2 (b1+b2) h where b1 and b2 are the lengths of the bases and h is the height

A = 1/2 ( 11+18) * 7

   = 1/2 (29) *7

     101.5 ft^2