Geometry

A square has the following vertices. Find the area of the square.

(−7, −5), (−4, −2), (−4, −8), (−1, −5)
6√ square units
18√ square units
6 square units **
18 square units
check my work thx

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  1. I disagree with your answer.

    Start by plotting the points on a piece of graph paper, then calculate the length of one side.

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    Leo
  2. It's not even a square.
    https://www.wolframalpha.com/input/?i=plot+%7B%28%E2%88%927%2C+%E2%88%925%29%2C+%28%E2%88%924%2C+%E2%88%922%29%2C+%28%E2%88%924%2C+%E2%88%928%29%2C+%28%E2%88%921%2C+%E2%88%925%29%7D

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    Reiny
  3. its definately not a square ive been trying to figure this out for my daughter will talk to the teacher tomorrow and hopefully beback with an answer/sollution. i think it may be a typo. :)

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  4. End points of one side: (-7, -5), (-1, -5).
    A = L^2 = (-1+7)^2+(-5+5)^2 = 36 sq. units.

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  5. The correct answer is the sqrt of 18 :)

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