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If the length of a side of a square is increased by 3 cm, the perimeter of the new square is 40 cm more than twice the length of a side of the original square. Find the dimensions of the original square

Respuesta :

Answer:

4cm by 4cm

Step-by-step explanation:

x+3+x+3+x+3+x+3=40

4x+12=40

4x=40-12

4x=28

x=28/4

x=7

original dimension=7-3

=4cm

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