Question

19. The perimeter of a square is 40 cm. Find its area.​

Answer 1

Answer:

area = 100 square cm

Step-by-step explanation:

perimeter = 40

let the side be x

then, 4*x=40

so, side(x) = 10

now, area = x^2

=10^2 = 100

Answer 2

Step-by-step explanation:

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