Question

Let the area of a square is 9 cmWhat would be the new area, if its side is
reduced by 1 cm ?​

Answer 1

Answer:

4cm2

Step-by-step explanation:

Since the area is 9cm, that means that each side is 3cm.

Of the side length is reduced by 1cm, the side length will be =3-1=2cm

So the length of each side is 2cm. This means that the new area is=l*l=2*2=4cm2

Answer 2

Step-by-step explanation:

area of a square = s^2

9=s^2

s=3cm

So,3cm-1cm

=2cm

Area of square=2cm*2cm

=4cm^2