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Length of Rectangle is any one of the pair of parallel sides which are longer than the remaining pair of parallel sides. Check FAQs
l=P2+(P24)-(4A)2
l - Length of Rectangle?P - Perimeter of Rectangle?A - Area of Rectangle?

Length of Rectangle given Area and Perimeter Example

With values
With units
Only example

Here is how the Length of Rectangle given Area and Perimeter equation looks like with Values.

Here is how the Length of Rectangle given Area and Perimeter equation looks like with Units.

Here is how the Length of Rectangle given Area and Perimeter equation looks like.

8Edit=28Edit2+(28Edit24)-(448Edit)2
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Length of Rectangle given Area and Perimeter Solution

Follow our step by step solution on how to calculate Length of Rectangle given Area and Perimeter?

FIRST Step Consider the formula
l=P2+(P24)-(4A)2
Next Step Substitute values of Variables
l=28m2+(28m24)-(448)2
Next Step Prepare to Evaluate
l=282+(2824)-(448)2
LAST Step Evaluate
l=8m

Length of Rectangle given Area and Perimeter Formula Elements

Variables
Functions
Length of Rectangle
Length of Rectangle is any one of the pair of parallel sides which are longer than the remaining pair of parallel sides.
Symbol: l
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Perimeter of Rectangle
Perimeter of Rectangle is the total length of all the boundary lines of the Rectangle.
Symbol: P
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Area of Rectangle
Area of Rectangle is the total quantity of plane enclosed by the boundary of the Rectangle.
Symbol: A
Measurement: AreaUnit:
Note: Value should be greater than 0.
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other Formulas to find Length of Rectangle

​Go Length of Rectangle given Area and Breadth
l=Ab
​Go Length of Rectangle given Area and Diagonal
l=d2+d4-(4A2)2

Other formulas in Length of Rectangle category

​Go Breadth of Rectangle given Area
b=Al
​Go Breadth of Rectangle given Diagonal
b=d2-l2
​Go Breadth of Rectangle given Perimeter
b=P-(2l)2

How to Evaluate Length of Rectangle given Area and Perimeter?

Length of Rectangle given Area and Perimeter evaluator uses Length of Rectangle = (Perimeter of Rectangle/2+sqrt(((Perimeter of Rectangle^2)/4)-(4*Area of Rectangle)))/2 to evaluate the Length of Rectangle, The Length of Rectangle given Area and Perimeter formula is defined as any one of the pair of parallel sides which are longer than the remaining pair of parallel sides and calculated using Area and Perimeter of the Rectangle. Length of Rectangle is denoted by l symbol.

How to evaluate Length of Rectangle given Area and Perimeter using this online evaluator? To use this online evaluator for Length of Rectangle given Area and Perimeter, enter Perimeter of Rectangle (P) & Area of Rectangle (A) and hit the calculate button.

FAQs on Length of Rectangle given Area and Perimeter

What is the formula to find Length of Rectangle given Area and Perimeter?
The formula of Length of Rectangle given Area and Perimeter is expressed as Length of Rectangle = (Perimeter of Rectangle/2+sqrt(((Perimeter of Rectangle^2)/4)-(4*Area of Rectangle)))/2. Here is an example- 8 = (28/2+sqrt(((28^2)/4)-(4*48)))/2.
How to calculate Length of Rectangle given Area and Perimeter?
With Perimeter of Rectangle (P) & Area of Rectangle (A) we can find Length of Rectangle given Area and Perimeter using the formula - Length of Rectangle = (Perimeter of Rectangle/2+sqrt(((Perimeter of Rectangle^2)/4)-(4*Area of Rectangle)))/2. This formula also uses Square Root (sqrt) function(s).
What are the other ways to Calculate Length of Rectangle?
Here are the different ways to Calculate Length of Rectangle-
  • Length of Rectangle=Area of Rectangle/Breadth of RectangleOpenImg
  • Length of Rectangle=sqrt((Diagonal of Rectangle^2+sqrt(Diagonal of Rectangle^4-(4*Area of Rectangle^2)))/2)OpenImg
Can the Length of Rectangle given Area and Perimeter be negative?
No, the Length of Rectangle given Area and Perimeter, measured in Length cannot be negative.
Which unit is used to measure Length of Rectangle given Area and Perimeter?
Length of Rectangle given Area and Perimeter is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Length of Rectangle given Area and Perimeter can be measured.
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