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If it's a square: 9 cm

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Q: What is the side length with area of 81cm2?
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What is the area of a square with a perimeter of 36cm?

ok if the perimeter is 36cm and it is a square then you know all four sides are equal 36cm / 4sides = 9cm for each side A = L * W ( both the length and width are 9cm because each side is equal ) A = 9cm * 9cm A = 81cm2


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What type of function can be used to determine side length of a square?

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