ISEE Lower Level Math : How to find the perimeter of a parallelogram
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Example Questions
Example Question #1 : Plane Geometry
What is the perimeter of parallelogram ABCD?
Cannot be determined
The perimeter of a parallelogram is very easy to find. You just need to add up all the sides. However, you need to notice that the sides "across" from each other are equal on parallelograms. So, your figure could be redrawn:
The perimeter of your figure is therefore:
Example Question #2 : Plane Geometry
A parallelogram has a side length of 
A parallelogram has four sides and its opposite sides are equal in length. Therefore, if it has one side length of
Example Question #2 : Plane Geometry
What is the perimeter of a parallelogram if the base is 
The perimeter of a parallelogram is the sum of all four sides or the sum of two times each side length. The side lengths are 
Example Question #3 : Plane Geometry
Find the perimeter of the given parallelogram:
Find the perimeter of the given parallelogram:
The perimeter of any shape can be found by adding up the lentghs of its sides.
In this case, we have four sides. 2 that are 16 miles long, and 2 that are 144 miles long.
Find perimeter as follows:
Making our answer 320 miles
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