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Big Polygon

Math brain teasers require computations to solve.

 

Puzzle ID:#40228
Fun:*** (2.17)
Difficulty:*** (2.56)
Category:Math
Submitted By:shenqiangAcn****!!
Corrected By:phrebh

 

 

 



The four edges of a quadrangle have lengths 1, 5, 5, and 7, and the two edges with length 5 are perpendicular. Four squares are built from the four edges. The adjacent vertices of these squares are connected so that a big polygon is formed. Find the area of this big polygon.

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