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they are different because perimeter is the out side of the shape and area is inside of the shape.

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Q: Why can you have a shape with different perimeters but the same area?
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What shapes have the same perimeter but different areas?

Most shapes can have the same area and different perimeters. For example the right size square and circle will have the same are but they will have different perimeters. You can draw an infinite number of triangles with the same area but different perimeters. This is before we think about all the other shapes out there.


What is the perimeter of 170 acres?

That depends on the exact shape. For the same area, you can have different perimeters, depending on the shape.


Can you have a shape that has the same area but different perimeters?

Yes you can ex. square 4x4 16 ex. rectangle 8x2


Can shapes of the same area have different perimeters?

MOst of it


How shapes have the same area but different perimeter?

Because the area is different than the perimeters


What is the perimeter of a rectangle whose area is 21?

That depends on the rectangle! You can have different rectangles with the same area, but with different perimeters.


Is it true that the greater the perimeter the greater the area?

No, in general that is not true. For two similar figures it is true. But you can easily design two different figures that have the same perimeters and different areas, or the same area and different perimeters. For example, two rectangles with a different length-to-width ratio.


If the area of the rectangle is 320cm squared find its perimeter?

Not enough data. Different rectangles (different length:width ratios) can have the same area, but different perimeters.


What is the perimeter in meters of a 28 acre field?

The perimeter for a certain area varies, depending on the figure. For example, a circle, different ellipses, a square, different rectangles, and different shapes of triangles, all have different perimeters or circumferences, for the same area.The perimeter for a certain area varies, depending on the figure. For example, a circle, different ellipses, a square, different rectangles, and different shapes of triangles, all have different perimeters or circumferences, for the same area.The perimeter for a certain area varies, depending on the figure. For example, a circle, different ellipses, a square, different rectangles, and different shapes of triangles, all have different perimeters or circumferences, for the same area.The perimeter for a certain area varies, depending on the figure. For example, a circle, different ellipses, a square, different rectangles, and different shapes of triangles, all have different perimeters or circumferences, for the same area.


If two rectangle have the same area must they have the same perimeter?

Not always because a 2 by 12 rectangle will have the same area as a 4 by 6 rectangle but they both will have different perimeters.


Do squares with the same area have equal perimeters?

yes


How can the area of a rectangle stay the same when its length and width change?

Here's an example: A 4*4 rectangle has the same area as a 1*16 rectangle, but their perimeters are different.