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You can find the perimeter of a rectangle if you know its area and the length of one side. Divide the area by the length of the known side and the quotient will be the length of a side perpendicular to the known side, and then multiply the sum of the two sides by two to find the perimeter.

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โˆ™ 2009-11-11 03:03:37
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Q: Can you find the perimeter if you know area of a rectangle?
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Can you calculate the area if you know the perimeter?

No, you can not calculate an area if you know just the perimeter. For example, rectangle with sides of 10 and 20 would have a perimeter of 60 and an area of 200, but a square of sides 15 would have a perimeter of 60 and an area of 225. You need to know more details about the shape than just the perimeter.


Rectangle whose perimeter is larger than area?

Perimeter is a unit of length. Area is a unit of area. The two units are not directly convertible.However, the area of a rectangle is length times width, and the perimeter is two times length plus two times width. Given constant perimeter, a square has maximum area, while a very thin rectangle has nearly zero area. (In calculus terms, the limit of the area as length or width goes to zero is zero.)Depending on how you want to name your units, you can always find a rectangle whose perimeter is "larger" than area, but this is a numerical trick that is not valid in any school of thought of mathematics that I know.


How do you find the length and breadth if area is known for a rectangle?

If you do not know the length or breadth of a rectangle, you cannot know the area. If you do not know the area of a rectangle, you cannot know the length and breadth. To know the length and breadth of a rectangle, you have to know some other contributing factor in the equation. If you don't, measure it!


How would you find the width if you only know the perimeter and length?

If it's a rectangle, just minus the length from the perimeter twice and than divide what you have by 2. Width = (Perimeter - (length*2))/2


How do you find the perimeter of a triangle when the perimeter is 177?

If you know the perimeter, there is no need to find it again.

Related questions

If you know the perimeter of a rectangle but don't know the length of the sides can you find the area?

no


How do you find the width of the rectangle?

If you know the area the divide area by length if you know perimeter subtract it by 2xlength and divide by 2


If you know the perimeter of a rectangle but not the length of its sides can you calculate its area?

yes


How do you find the area from the perimeter of a rectangle?

If the only information that you have is ... A) the figure is a rectangle, and B) the perimeter ... then you cannot calculate the area. The area of a rectangle is the length multiplied by the height., The perimeter is twice the length plus twice the height. So, a rectangle with a length of 9 units and a height of 1 unit will have a perimeter of 20 units and an area of 9 square units. Another rectangle with a length of 6 units and a height of 4 units will also have a perimeter of 20 units, but it will have an area of 24 square units. To be able to calculate the area from the perimeter you need to know one of two additional things - either one of the measurements, or the ratio of the height to the length.+++To summarise, you can, IF you know the ratio as mentioned. Then apply that to half the perimeter to find the length and breadth.


What is the area of a rectangle is the length is 16 and the primeter is 56?

The area of rectangle is : 896.0


Can you calculate the area if you know the perimeter?

No, you can not calculate an area if you know just the perimeter. For example, rectangle with sides of 10 and 20 would have a perimeter of 60 and an area of 200, but a square of sides 15 would have a perimeter of 60 and an area of 225. You need to know more details about the shape than just the perimeter.


How do you determine the area of a rectangle if you know the perimeter?

You can't. The perimeter doesn't tell the area. There are an infinite number of shapes with different dimensions and different areas that all have the same perimeter.


How do you find the area if you know the perimeter?

It is impossible


Rectangle whose perimeter is larger than area?

Perimeter is a unit of length. Area is a unit of area. The two units are not directly convertible.However, the area of a rectangle is length times width, and the perimeter is two times length plus two times width. Given constant perimeter, a square has maximum area, while a very thin rectangle has nearly zero area. (In calculus terms, the limit of the area as length or width goes to zero is zero.)Depending on how you want to name your units, you can always find a rectangle whose perimeter is "larger" than area, but this is a numerical trick that is not valid in any school of thought of mathematics that I know.


How do you find the optimal dimensions of a rectangle if you know the area?

Assuming that you want to minimise the perimeter, then use a square. Its side length is, of course, given by the square root of the area.


What is the perimeter of a rectangle with an area of 130 square yards?

You'd need to know one of the sides.


How do i find the perimeter of a rectangle if you know its length and its width?

Add up (two lengths) plus (two widths) and you have the perimeter.

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