Respuesta :

Answer:

A = 18 units^2

Step-by-step explanation:

The figure is a trapezoid.  The formula for area of a trapezoid is

A = 1/2 (b1+b2) *h

b1 and b2 are the lengths of the bases and h is the height

A = 1/2 (3+9) *3

A = 1/2 (12)*3

A = 18 units^2