Answer :
Solution:
Note that:
- Squares always have equal sides and angles.
- Perimeter of square patio: (16x + 12) ft.
Factorize the perimeter.
- 16x + 12
- => 4(4x + 3) ft.
Find the length of the patio.
- 4(4x + 3)/4
- => 4x + 3 ft.
The length of the square patio is 4x + 3 ft.