Answer:

Step-by-step explanation:

area of a square = 12*12=144

Verified answer

Answer:

Ps = 48 cm, As = 144 sq.cm

Step-by-step explanation:

Ps = 12 cm, As =?

Ps = 4 x a

    = 4 x 12

    = 48 cm

As = a x a

    = 12 x 12

    = 144 sq.cm