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18 September, 17:12

Two of the vertices of a rectangle are (1, - 6) and (-8, - 6) if the rectangle has a perimeter of 26 units what are the coordinates of it's other vertices?

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  1. 18 September, 17:24
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    (1, - 2)

    (-8, - 2)

    Step-by-step explanation:

    (1, - 6) and (-8, - 6)

    1 - (-8) = 9

    we know that the length of the side that we know the vertices is 9

    from there we make an equation with the sum of the sides equal to the perimeter

    we will have 2 times 9 and 2 times x beacause it is a rectangle

    x + x + 9 + 9 = 26

    2x + 18 = 26

    2x = 26 - 18

    2x = 8

    x = 8/2

    x = 4

    Now that we know the missing side we just have to add or subtract this value to the coordinate in and of the vertices we have and we will obtain the missing vertices

    (1, - 6 + 4)

    (1, - 2)

    (-8, - 6+4)

    (-8, - 2)
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