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To find the area of a rectangle, when you only know the perimeter, you can just just break the sides down into two pairs of lengths. For example; if the known perimeter is 100, you can call the two short sides, we'll call those the width, 10 (x2=20) and the two long sides, we'll call those length, 40 (x2=80) 20+80=100... Now you know all the lengths of the sides, so the area formula is L x W = area or 10 x 40 = 400. Any rectangle with a perimeter of 100 will have an area of 400, no matter what the lengths are and the process works for any rectangle, you just have to break the perimeter length down into two pairs of lengths.
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That starts off right but is NOT the full method.
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You need to know the ratio between its length and breadth. Then apply that ratio to half of the perimeter to find the length and breadth.
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Try it:
L = 4, B= 6 so P = 20 but Area = 4 X 6 = 24 square units.
L = 2, B = 8 so P = 20 again BUT Area now = 2 X 8 = 16 sq. units.
For any given rectangle perimeter, there is an infinite number of possible areas.
For a quadrilateral, Perimeter-only works only for the Square, for which A = [P/4]^2 = [(P^2)/16]
What else can I help you with?
How can you find the answer for the perimeter and area of a rectangle?
find the perimeter and area of a rectangle that is 15cm long and 5cm wide
The length of a rectangle is twice its width If the perimeter of the rectangle is 54y find its area?
The length of a rectangle is twice its width. If the perimeter of the rectangle is , find its area.
The length of a rectangle is 5 more then the width Find the perimeter and the area of the rectangle?
the length of a rectangle is 5 more then the width. Find the perimeter and the area of the rectangle
A rectangle that is 12 cm in area and 16 in perimeter?
To find the dimensions of the rectangle, we need to set up equations based on the given area and perimeter. The area of a rectangle is length multiplied by width, so length times width equals 12 cm. The perimeter of a rectangle is given by the formula 2(length + width), which in this case equals 16 cm. By solving these two equations simultaneously, we can find the dimensions of the rectangle.
What is the area of 12 cm2 and the perimeter of 14 cm?
Well, honey, if the area is 12 cm² and the perimeter is 14 cm, that means we're dealing with a rectangle. To find the dimensions, you'll need to do some math. Let's break out the algebra and solve for the sides like the math whiz you are.
How do you find the area of rectangle given its perimeter?
You cannot.
How do you find the optimal area of a rectangle given its perimeter?
Multiply length by width
How do you find a perimeter of a rectangle with one number given?
If you are given the area you will have to think what do you times with the number you have to get it.
How can you find the answer for the perimeter and area of a rectangle?
find the perimeter and area of a rectangle that is 15cm long and 5cm wide
The length of a rectangle is twice its width If the perimeter of the rectangle is 54y find its area?
The length of a rectangle is twice its width. If the perimeter of the rectangle is , find its area.
How to find the perimeter and area of a rectangle?
To find the perimeter you add and to find the area we multiply.
The length of a rectangle is 5 more then the width Find the perimeter and the area of the rectangle?
the length of a rectangle is 5 more then the width. Find the perimeter and the area of the rectangle
How do you find the area of a rectangle with a perimeter of 36m?
how do you find the area of a rectangle witha perimeter of 36 in You don't. You need more information For example a 1 x 17 rectangle has a perimeter of 36 and its area is 17. But a 2 x 16 rectangle also has a perimeter of 36 and its area is 32.
How do you find the dimensions of a rectangle given only the total perimeter?
Length + width = half the perimeter, but more info eg area, is needed.
How do you find the perimeter of a rectangle when only the area is given?
You cannot find the perimeter unless the rectangle is a regular rectangle (a square) in which case the perimeter is 4 times the square root of the area. With just the area the shape of the rectangle could be any number of shapes with different perimeter, for example, imagine 6 square units 1cm by 1cm arranged in a 1*6 configuration to give a long thin rectangle, the perimeter would be 6+6+1+1=14cm, the same 6 arranged in a 3*2 rectangle would have the same area, but a perimeter of 3+3+2+2=10cm, for this reason a rectangle's perimeter cannot be determined from the area alone.
Find the maxium possible area of a rectangle with a perimeter of 100 feet?
Max rectangular area for a given perimeter is a square.P = 100S = 25Area = 252 = 625 square feet
How do you find the height of a rectangle with the base and perimeter given?
Height = (Perimeter/2) - Base
