Respuesta :

it’s 8 because 8x8 is equal to 64
nepali36

Answer:

l=8cm

Step-by-step explanation:

soln

given

a=64cm^2

we have formula

a=l^2

or. 64cm^2=l^2

or. (8cm)^2=l^2

or. 8cm=l(square cancel another square)

therefore length is 8cm