Hello!
To find the greatest common factor, you must find all the factors of both numbers and see which similar one is the greatest.
27: (1,27) (3,9)
36: (1,36) (2,18) (3,12) (4,9) (6,6)
As you can see the, the greatest common factor is 9.
I hope this helps!
The answer is
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A.sss
Perimeter: 9+9+8+8= 34 ft.
Area: 9*8= 72 ft²
