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find the perimeter of a square whose area is 441 sq km?

Area of perimeter = 441 sq cm
(side)2 =
[tex] \sqrt{441} [/tex]
=21
the perimeter of sq= 4×side
= 4×21
84



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Respuesta :

Answer:

Area of perimeter = 441 sq cm

(side)2 =

[tex] \sqrt{441} [/tex]

=21

the perimeter of sq= 4×side

= 4×21

84

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