L E.

asked • 09/14/22

Find the perimeter of quadrilateral RSTU in the coordinate plane at the right. Round your answer to the nearest tenth place if necessary. s(-4,4), T(3,3), R(-4,4), U(2,-1)

Doug C.

Likely R and S are not supposed to have the same coordinates?
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09/15/22

Mark M.

Draw and label a diagram!
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09/15/22

Kimberly M.

Also, graph these coordinates on graph paper. Then draw and label. Hint:perimeter means the distance around a two dimensional shape like triangle, square and rectangle. With this defin in mind than after you have drawn and labeled it, you count the squares between the coordinate pairs and add them up. I hope this helps. I wish I could draw a picture here to help😊
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09/15/22

1 Expert Answer

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Doug C. answered • 09/15/22

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You will have to use the distance formula to find the length of each side of the quadrilateral, then add those measures together. Since the problem has been incorrectly stated (R and S have the same coordinates) here is a Desmos graph which has a movable point R. Notice that Desmos has a "distance" function to determine the distance between two defined points. Notice how it is also possible to calculate the distance manually using:

dTS=√[(T.x-S.x)2+(T.y-S.y)2]


desmos.com/calculator/vldvmeabxe


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Angelina F.

thank you, this helped majorly for me
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10/03/22

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