Respuesta :

Answer:

a = 15

Step-by-step explanation:

Hi1315

Answer:

[tex]15m[/tex]

Step-by-step explanation:

[tex]x + x + x + x = 60 \\ 4x = 60 \\ \frac{4x}{4} = \frac{60}{4} \\ x = 15m [/tex]