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The answer would be a general solution to length x height = length+length+height+height.

I can only think of one - a square with sides of 4. The area would be 4x4=16 and the perimeter would be 4+4+4+4=16. If the rectangle is longer in either direction, the perimeter would be bigger than its area (e.g. a 1x4 rectangle (area=4) would have a perimeter 1+1+4+4=10, as would squares smaller than 4x4 (e.g. 3x3=9, perimeter=3+3+3+3=12). Squares bigger than 4x4 would have a larger area (e.g. 5x5=25, 5+5+5+5=20)

Q: How many rectangles have the same are as its perimeter?

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thare is only 1 differint rectangles

they dont

No

There is an infinite number that can have that perimeter

The perimeter of a rectangle is the sum of its four sides. Add the sides for both rectangles, then compare the results.

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thare is only 1 differint rectangles

they dont

No

no

No rectangle can have equal perimeter and length.

There is an infinite number that can have that perimeter

The perimeter of a rectangle is the sum of its four sides. Add the sides for both rectangles, then compare the results.

The only one I can think of is a square, where Length=Width=4.

10cm by 10cm (perimeter=40cm), 5cm by 20cm (perimeter=50cm), 50cm by 2cm (perimeter=104cm), 100cm by 1cm (perimeter=202cm). All of these rectangles' areas are 100cm2

Not necessarily. Let's say that there is a circle with the area of 10. Now there is a star with the area of 10. They do not have the same perimeter, do they? That still applies with rectangles. There might be a very long skinny rectangle and a square next to each other with the same area, but that does not mean that they have the same perimeter. Now if the rectangles are congruent then yes.

Yes. A 1 x 4 and a 2 x 3 have the same perimeter.

There would be an infinite number of rectangles possible