geometry

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Isosceles trapezoid ABCD has legs AB and CD and base BC If AB = 7y – 4, BC = 4y – 6, and CD = 8y – 18, find the value of y.

  • geometry -

    The key here is "isosceles". That means the legs are equal.

    7y-4 = 8y-18
    y = 14

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