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If the sides are in cm, then you would multiply the length of the shape by the width, which equals area.

And area is in the unit of the sides but squared. So in this example it would be cm2.

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The answer to the question is: You can't. The perimeter doesn't tell you what the area is.

You can have two different drawings with the same perimeter and different areas,

or with the same area and different perimeters. Even if they're both triangles, or

both rectangles, etc.

You can't take perimeter and 'work out' area from it.

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โˆ™ 2011-02-15 17:12:33
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Q: How do you work out area in cm2 from perimeter?
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