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In general you cannot find the perimeter of any shape if only the area is given.
It depends on the shape.
To find the perimeter and areas of complex shape without a grid you should divide the shape into simple shapes and find the area of each shape alone and then add up the areas all together to get the area of the whole shape. Example: If there is a shape that can be divided into 2 triangles and 1 rectangle then you will find the area of each triangle alone and then the area of the rectangle then add up all the areas together.
You have to add up all the sides of the shape.
To find the perimeter you add and to find the area we multiply.
You break it up into smaller shapes which are less irregular. If these are more regular, you can calculate their contribution to the perimeter, and their area. You can then add these together.
The perimeter has nothing to do with the area you have to times the width times height times length and that will give you the area of the shape
In general you cannot find the perimeter of any shape if only the area is given.
It depends on the shape.
To find the perimeter and areas of complex shape without a grid you should divide the shape into simple shapes and find the area of each shape alone and then add up the areas all together to get the area of the whole shape. Example: If there is a shape that can be divided into 2 triangles and 1 rectangle then you will find the area of each triangle alone and then the area of the rectangle then add up all the areas together.
You have to add up all the sides of the shape.
Break the composite shape down into simple units. Find the perimeter and area of each and then add these up as appropriate. If the shape cannot be broken down easily you may have to rely on integration or numerical methods.
To find the perimeter you add and to find the area we multiply.
The question is not specific enough for a sensible answer. It could refer to the ratio of the area of the shape to its perimeter or depending on its shape, the ratio of the area to the length of one or more of its sides.
Only if you also know the shape and proportions. An equilateral triangle, for example.
To find the distance around the shape
The perimeter of a shape is the distance around the outside, for instance, the length of all the sides of a square added together. The area however, is the amount of space within the shape, for example, to find the area of a square, you would simply multiply the length of the side by length of the side.