Question

what is the perimeter of a square whose area is 4cm square​

Answer 1

given area

6 × a2 = 4

a2 = 4/6

a = 2/√6

than perimeter

4×a =

4× 2√6 = 8√6

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Answer 2

Area of square=side^2

4cm=side^2

root under 4=side

side=2cm

perimeter of square=4×side=4×2cm=8cm