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Help! What is the length XY if the quadrilateral is an isosceles trapezoid? I thought 6 was the answer, but I was wrong.

Help What is the length XY if the quadrilateral is an isosceles trapezoid I thought 6 was the answer but I was wrong class=

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dalendrk
[tex]If\ WZYX\ is\ a\ isosceles\ trapezoid,\ then\\\\y+6=12\ \ \ |subtract\ 6\ from\ both\ sides\\\\y=6\\\\|XY|=y+1,\ subtitute\\\\\boxed{|XY|=6+1=7}[/tex]

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