Answer:
54ft^2
Explanation:
The area of a rectangle can be found by using Base times by the Height.
In your problem, you have that B = 9ft and H = 6ft
Using the formula of the Area of a rectangle, you can find that the answer is 54.
9 x 6 = 54 ft^2
The ft^2 means that it is using Area --> If you were confused on that part