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nysskid
For number 25, the student is correct because if you were to add up the perimeters of both the square and rectangle, they each add up to 4x+8
Let's see together

The perimeter is the sum of all sides' length of a shape

so for the rectangle:
x+ x+4 + x + x+4 = 4x + 8

and for the square:
4(x+2) = 4x + 8

So they have the same perimeter

So the student was correct


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