Respuesta :

Answer:

I think it should be 12. If you get it wrong, im sorry

Step-by-step explanation:

mumsy

Answer:

Step-by-step explanation:

the square has perimeter P=48

P/4=48/4=12 each side is 12

to find the diagonal, you have an isosceles right triangle,

diagonal d,

d^2=a^2+a^2

d^2=144+144=288

d=sqrt288=17 (aprox)

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