Respuesta :

suspho

Answer:

Length = 3cm

Area = 9 cm²

Step-by-step explanation:

The perimeter of a square is 12cm.

  • Find its length
  • Find its area

Perimeter = length x 4

inverse formula

length = perimeter : 4

length = 12 : 4 = 3 cm

Area = length²

Area = 3²

Area = 9 cm²

akanksha265
Answer :
Length = 3cm
Area=9cm square


Steps/Explanation:
Formula -
Perimeter of a square = 4 x sides
=12 = 4 x sides
= 12/4 = sides
= 3 = sides
Therefore, the length of the square = 3cm


Formula -
Area = length x length
= 3cm x 3cm
= 9cm square

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