Respuesta :

Answer:32cm

Step-by-step explanation:

Length=L

Area=64

Area=L x L

64=L^2

L^2=64

Take them square root of both sides

√(L^2)=√(64)

L=8

Perimeter of square=4 x L

Perimeter of square=4 x 8

Perimeter of square=32

Perimeter =32cm