Question

The perimeter of a square is 36 m. What is
its area?​

Answer 1

Answer:

the perimeter of sq is 36 m

so its side = 4×side=36m

=4×x=36m

x=36/4=9 m

so side is 9 m

area = Side×side

=9×9=81m²

Step-by-step explanation:

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Answer 2

Answer:

Area = 81 m²

Step-by-step explanation:

$\tt{\implies A = a²}$

$\tt{\implies P = 4\:a}$

$\tt{\implies A = \dfrac{1}{16}\:P² = \dfrac{1}{16}×36² = 81m²}$