Question

area of a square if the perimeter is 40 centimetre​

Answer 1

Step-by-step explanation:

perimeter of square=40cm (given)

4a=40. (Let a is the side of square)

a=10cm

area of square=

${a}^{2}$

$= 10^{2}$

$= 100$cm^2

hope it helps you....

Answer 2

Answer:

100cm^2

Step-by-step explanation:

perimeter of square =4×side

40 = 4×s

40/4=s

10 =s

area of the square =s×s

10×10

100cm ^2.