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13 October, 09:03

The vertices of abc are a (-2,2) and b (6,2)

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  1. 13 October, 10:45
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    Using the distance formula:

    AB^2 = (-2-6) ^2 = (2-2) ^2

    = 64

    AB = 8 units

    BC^2 = (6-0) ^2 + (2-8) ^2

    = 36 + 36

    = 72

    BC = 6 root 2

    AC^2 = (-2-0) ^2 + (2-8) ^2

    = 4 + 36

    = 40

    AC = 2 root 10

    Perimeter = 8 + 6 root 2 + 2 root 10

    = 2 (4 + 3 root 2 + root 10) units
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