Answer:
The area of square 1 is 36 feet squared.
Step-by-step explanation:
To find the area of square 1, we need to find the area of square 2 and square 3 and subtract the difference.
The area of square 2 is 90 feet squared. The area of square 3 is 54 feet squared.
90-54=36
The area of square 1 is 36 feet squared.
