Question

A square has an area of 100 m².What is the perimeter of the square
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Answer 1

Answer:

40 cm

Step-by-step explanation:

are of a square - Side *side

let the side be a

area= a*a

100=a^2

a= root of 100

a = 10 cm         (1)

now perimeter of square = 4a

therefore perimeter = 4 * 10 (from 1)

=40 cm

Answer 2

Answer:

40

Step-by-step explanation:

$area \: of \: square \: = a ^{2} \\ {a}^{2} = 100 \\ a = 10 \\ perimeter \: = 4a \\ 4a = 40$