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You add up all of the sides of the rectangle.

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Q: How do you calculate the perimeter if a rectangle?
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Related questions

Can you calculate a perimeter of a rectangle but not the length of its sides?

no No. You need to know the length of a rectangle's sides in order to calculate the perimeter.


How do you calculate a perimeter of a rectangular block?

perimeter of rectangle=2(l+b) l=length of the rectangle b=breadth of the rectangle


Calculate perimeter of a rectangle?

Add up all the sides of the rectangle.


How is perimeter and area related in a rectangle?

The perimeter of a rectangle is the distance around the rectangle. The area of a rectangle is the space inside the rectangle. To calculate either one you need the length and the width of the rectangle. To calculate the area multiply the length times the width. To calculate the perimeter add the length+width+length+width (that is the distance all the way around)


How to calculate the lineal feet of a rectangle?

The perimeter of rectangle is the sum of the four sides of a rectangle.


What is the perimeter of a rectangle that has a length of 2 cm and width of 4 cm?

12cm


What is the perimeter of 4 centimeters by 2 centimeters rectangle?

The answer is 12 cm.


How do yo find perimeter of a rectangle?

To find the perimeter of a rectangle you must calculate the lengths of each of the sides and add them all together.


What is the area of a rectangle that its perimeter is 39?

156 It is impossible to calculate the area of a rectangle from its perimeter if no other dimension is known. The area of a rectangle is the product of its length and width, and the perimeter is twice the sum of its length and width.


How do you calculate perimeter of rectangle?

you add all the sides up


How do you calculate a perimeter of a rectangle?

Add together its 4 sides


How do you find the perimeter of a 3d rectangle?

In order to find the perimeter of a 3D rectangle you must gather the lengths of the known sides, calculate the missing rectangular values, and use the formula for perimeter.