Question

a square has perimetre 40cm its side is​

Answer 1

Perimeter of a square= 4a

Where 'a' is the length of its side

So

40 = 4a

4a = 40

a = 40/4

a = 10cm

So its sides are of 10cm....

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Answer 2

Answer:

perimeter of square=40cm

perimeter of square=4× Side

=4×side =40

=Side=40÷4=10cm

Then the 10 cm is the right answer

Step-by-step explanation:

Hope this helps