Math, asked by karanbro52, 10 months ago

the perimeter of the square whose area is 441 cm square and the length of the side is 21 cm find the perimeter of a square

Answers

Answered by shreyajayesh7759

4

perimeter = 4 * one side

= 4 * 21 cm

= 84 cm

Answered by swathy08

4

84

perimeter of a square=4a

where a is the length of 1 side

so 4×21=84

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