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Help me I will give medal if you help :) In quadrilateral ABCD, AE=x+2, BE=3x-18. For what value of x is ABCD a rectangle? a.)12 b.)10 c.)14 d.)12
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here a site that will help you http://www.algebra.com/algebra/homework/Parallelograms/Parallelograms.faq.question.686988.html
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