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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.

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15y ago
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4y ago

they are always even

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Q: Why is the perimeter of a rectangle always even?
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Related questions

Why is the perimeter of rectangle with an even width and lenght always an even number?

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


Is The area of a rectangle always greater than the perimeter?

To answer this simply try a few out for yourself. In a 2x1 cm rectangle, the area is 2 cm squared and the perimeter is 6 cm In a 12x10 rectangle, the area is 120 cm squared and the perimeter is 44 cm. In some cases, the perimeter is larger and in others it is smaller. To answer your question, no, the perimeter of a rectangle is NOT always greater than its area.


In general describe the rectangle that has the least area for a fixed perimeter?

For a fixed perimeter, the area will always be the same, regardless of how you describe the rectangle.


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.


The perimeter of the rectangle?

what is the perimeter of the rectangle


Does changing the area always change the perimeter?

No. A rectangle of 1 x 3 has the same perimeter as a rectangle of 2 x 2, but the areas are different.


How does increasing the dimensions of a rectangle impact the perimeter?

If you increase the rectangle's length by a value, its perimeter increases by twice that value. If you increase the rectangle's width by a value, its perimeter increases by twice that value. (A rectangle is defined by its length and width, and opposite sides of a rectangle are the same length. The lines always meet at their endpoints at 90° angles.)


when you are trying to find the area or perimeter of something do you multipli?

Nearly always multiply. However, for the perimeter of a rectangle, you add the length + width + length + width. This is even simplified by multiplying the length and the width by 2


Can a rectangle have the same perimeter but different area explain?

No, any shape with four sides and same perimeter will always be a square.


How do you find the perimeter of a triangle with the perimeter of a rectangle?

There is no reason for the perimeter of a triangle to have any relation to the perimeter of an unrelated rectangle!


If BC16.5 and CD4.5 what is the perimeter of the rectangle?

The perimeter of the rectangle is 42 units


What is the perimeter of a rectangle that has an area of 18?

That depends on the dimensions !... A 1 x 18 rectangle has a perimeter of 38 ! A 2 x 9 rectangle has a perimeter of 22 ! A 3 x 6 rectangle has a perimeter of 18 !