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Copy and Construct (Posted on 2018-12-20) Difficulty: 3 of 5
ABCD is a quadrilateral with AD = BC, AB = 40, CD = 20 and ∠A + ∠B = 90. Find the area of the quadrilateral.

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
re(3): Solutionarmando2018-12-21 06:25:28
re(2): SolutionJer2018-12-20 21:53:45
re: Solutionarmando2018-12-20 18:15:39
re: Solutionarmando2018-12-20 18:15:39
SolutionSolutionJer2018-12-20 18:08:28
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