This diagram shows three small squares and two rectangles composed of 10 small squares.
2 answers:
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Area of square = l²
Perimeter of square = 4l
According to the question,
Using zero product property,
Either,
Or,
Since length can't be negative, the length is 9
Perimeter of square = 4l
According to the question,
Using zero product property,
Either,
Or,
Since length can't be negative, the length is 9