SOLUTION: What is the perimeter of rectangle jKLM with vertices j(-1,3), k(2,3), l(2,-5), m(-1,-5)?

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Question 1055195: What is the perimeter of rectangle jKLM with vertices j(-1,3), k(2,3), l(2,-5), m(-1,-5)?
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
What is the perimeter of rectangle jKLM with vertices j(-1,3), k(2,3), l(2,-5), m(-1,-5)?
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Use the distance formula:

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for jk:

Do the same for the other 3 sides, then add them.
Answer by ikleyn(52777)   (Show Source): You can put this solution on YOUR website!
.
What is the perimeter of rectangle jKLM with vertices j(-1,3), k(2,3), l(2,-5), m(-1,-5)?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 

Notice that the side JK is parallel to x-axis. What is its length? 3 units.

            The side KL is parallel to y-axis. What is its length? 8 units.

It is just enough to find the perimeter of the rectangle.

Can you do it on your own?


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