Answer:
36 sqaured feet
Step-by-step explanation:
We know that the area of the trainagle is 42 squared feet since the length is 12 and the width is 7 you multiply that which is 84. Then divide that by 2 which is 42.
We also know that the area of the square is 6 since the length is 2 and he width is 3.
Now what you do is you subtract 42 by 6 which gives you 36 squared feet.