Respuesta :

TheDareFlare

Answer:

Taking the breath as a Side of the Square...

The side lenght of spuare =3

All sides are equal in square

misspandamail

Answer:

5cm

Step-by-step explanation:

pr (perimeter for rectangle) = 2 x 7 + 2 x 3

pr = 14 + 6

pr = 20cm

a square has 4 equal sides

ss (side-length of square) = 20/4

ss = 5

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