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expeople1 [14]
3 years ago
5

on square bcde if e is located at (4,-9) and d is located at (10,-5) find the perimeter of the square

Mathematics
1 answer:
mariarad [96]3 years ago
5 0

Answer:

  • 8\sqrt{13} units

Step-by-step explanation:

<u>We know that:</u>

  • P = 4a

<u>We can find one side by distance formula:</u>

  • a = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}
  • a = \sqrt{(10 - 4)^2+(-5+9)^2} = \sqrt{36+16} = \sqrt{52} = 2\sqrt{13}

<u>Then the perimeter is:</u>

  • P = 4*2\sqrt{13} = 8\sqrt{13} units
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