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Answer 1 · 2018-01-29T11:35:17

#144cm^2#

First, I think you meant that the square's perimeter is #48cm#, because perimeter is only one-dimensional.

The perimeter of a square is given by #4s#, where #s# is the side of the square.

#4s=48cm#

#:.s=(48cm)/4=12cm#

So, the side of the square is #12cm#.

The area of a square is given by #s^2#, where again, #s# is the side of the square.

#:.A=(12cm)^2=144cm^2#

So, the area of this square is #144cm^2#.