Respuesta :
Answer:
9.9 millimeters
Step-by-step explanation:
To find the perimeter of a square,
Equation: 4 • length = P
So in this case, we're just working backwards. To find the length, divide.
39.6/4 = 9.9
Answer:
9.9 mm
Step-by-step explanation:
let [tex]x[/tex] = length of one edge of the square
perimeter of a square = 4[tex]x[/tex]
⇒ 39.6 = 4[tex]x[/tex]
⇒ [tex]x[/tex] = 39.6 ÷ 4 = 9.9 mm