Question

the length of one side of a square is a. what is a perimeter.​

Answer 1

Answer:

a×4

Step-by-step explanation:

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Answer 2

Answer:

4a

Step-by-step explanation:

the formula of the perimeter of any square is = 4× length of it's one side

here the length of the one side of the square is "a"

so the perimeter should be = 4×a

=4a