Respuesta :

Answer:

63 ft^2

Step-by-step explanation:

The hole is the rectangle  minus the area of the triangle.

The area of the rectangle is

A =l*w

A = 12*6

   =72

The area of the triangle is

A = 1/2 b*h

  = 1/2 (3*6)

  = 9

A  rectangle - A triangle = A hole

72 - 9

63