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Isosceles Crease (Posted on 2015-03-19) Difficulty: 3 of 5
Consider an isosceles triangle PQR with PQ = PR=20 and QR=10 . The vertex P is folded onto the point X in QR, forming the crease EF with E on PQ and F on PR.

Given that QX = 2, find the length of EF.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
Solutionexact solutionJer2015-03-19 14:16:21
SolutionsolutionCharlie2015-03-19 11:28:48
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