Question

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Answer 1

Step-by-step explanation:

side of green colour square=6÷3=2

perimeter of green square =4×side

=4×2=8cm

Now, perimeter of all squares having green square in them=perimeter of one square×8

=4×2×8

=64cm

Now, perimeter of all squares =perimeter of one square ×9

=4×2×9

=72cm.

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