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If both numbers are even, it will always be an even number. For example, 2 + 2 = 4.

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โˆ™ 2012-02-09 19:33:22
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Q: Why is the perimeter of rectangle with an even width and lenght always an even number?
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Related questions

How can you calculate the length of a rectangle if the perimeter and the width are given?

Because the perimeter is lenght + length +width +width, you do perimeter - double the width, and then halve the remaining number. that should give you the length.


Why is the perimeter of a rectangle always even?

The perimeter of a rectangle is always even because the perimeter is twice the length plus twice the width. Whenever you multiply a number by 2, the product is even. When you add two even numbers the sum is even.


Can the perimeter or area of a rectangle ever be an irrational number?

Yes, the perimeter or area of a rectangle can be an irrational number. Thanks


Can you give a counter example to show that a rectangle does not always have a perimeter which is not an even number?

A rectangle whose opposite sides are 4 cm and 2.5 cm. Its perimeter is 2*(4 + 2.5) = 2*6.5) = 13 cm.


How can you get a rectangle with whole-number side length's and a perimeter of 20 meters?

A 6 by 4 rectangle will have a perimeter of 20 units


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

To find the width of a rectangle, multiply the lenght by 2 and subtract it from the perimeter. Once this is done you are left with the two width sides of the rectangle. To find the width divide this number by 2 and you have your answer. For exaple: P= 120 cm L= 40 cm L* 2 = 80 120 - 80 = 40 40/2 = 20 W=20


Find the dimensions of the rectangle with an area of 100 square units and whole-number side lengths that has the largest perimeter or the smallest perimeter?

Type your answer here... give the dimensions of the rectangle with an are of 100 square units and whole number side lengths that has the largest perimeter and the smallest perimeter


Rectangle has whole number side lengths the length of the rectangle is tripled and the width is doubled The new area is 204 cm squared. The new perimeter is 110 cm. What was the old perimeter?

the old perimeter is 17 * 2 The old perimeter = 38


How do you find the width of a rectangle when length and perimeter is given?

You multiply the length by 2 (because there are two sides of the rectangle that have that measure). You then subtract that number from the perimeter. The number you will be left with is twice the width, so you divide that by two and you get the width of the rectangle.


What is the relationship for perimeter and area for rectangle?

There is no relationship between the perimeter and area of a rectangle. Knowing the perimeter, it's not possible to find the area. If you pick a number for the perimeter, there are an infinite number of rectangles with different areas that all have that perimeter. Knowing the area, it's not possible to find the perimeter. If you pick a number for the area, there are an infinite number of rectangles with different perimeters that all have that area.


The length of a rectangle is four times the width If the perimeter of the rectangle is 30 feet what is the area of the rectangle?

the answer to number 20 is B...12


How many feet of fencing do you need to enclose a 44 ft rectangle?

Since the only number given in the question is a linear measure, it must refer to the perimeter of the rectangle: it cannot refer to its area. So, number of feet of fencing required to enclose a rectangle with a 44 ft perimeter is 44 ft! That is what a perimeter means!


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.


A rectangle has a length of six cm What is its width if its perimeter and area are the same number?

18cm is the area and perimeter. the width is 3cm.


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.


What happens to the perimeter and the area of a rectangle if the length and the width are multiplied by the same number Use diagrams to explain?

If the length and width of a rectangle are multiplied by the same number, then . . . -- the perimeter is multiplied by the same number -- the area is multiplied by the square of the numbner


What are the dimensions of the rectangle with an area of 100 square units and whole-number side lengths that have the smallest perimeter?

It is 5 units * 20 units. A smaller perimeter can be attained by a square but the question specified a rectangle.


What is the perimiter of a rectangle if one side is 22 feet?

In order to know the perimeter of a rectangle, you need to know both its length and its width ... two numbers. One number isn't enough. If one side of a rectangle is 22 feet, then the perimeter of the rectangle can be any number greater than 44 feet. There are an infinite number of different possibilities.


Can the perimeter of area of a rectangle ever be an irrational number?

Yes, of course. Why ever not ? You can make your rectangle any size you want.


What plus what equals 12 for the perimeter of a rectangle?

Any number between 0 and 12 that you like. There is no need for the sides of the rectangle to be whole numbers!


How do describe a rectangle with whole number dimensions that has the greatest perimeter for a fixed area?

You dont


What is the dimensions of a rectangle for the number 32?

It is not possible to answer the question because you have not defined what 32 measures: is it the area of the rectangle, its perimeter, its diagonal or some other property?


A rectangle has a perimeter of 26 feet the length and the width are each a whole number of feet Which is a possible area for this rectangle?

24 feet square feet


Perimeter and area of a rectangle enter number for lengthl 4 enter enter number for widthw 5 enter 2 x l 2 x w 18 l x w 20 the input is a rectangle?

Perimeter: 18 Area: 10 sq units


Can the area of a rectangle ever have the same number of units as its perimeter?

Yes, if the sides are 4 units.