Respuesta :

maggielee724

Answer:

1. the side length of the square is 3 when its perimeter is 12.

2. (20/21, 5/21)

Step-by-step explanation:

2. 20/21 ÷ 4 = 20/21 × 1/4 = 5/21(the side length of the square with the given perimeter of 20/21)

=> (20/21, 5/21)