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In the figure below, ABDC, EFHG, and ASHY are all squares; and AB = EF = 1 and AY = 6.  What is the area of quadrilateral DYES?

 

 Jun 28, 2022
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The area of the total region is 6 x 6 = 36. 

 

The area of the 2 squares is 1 + 1 = 2. 

 

The area of the triangle outside of DYES but inside the big square is 2.5 ((5 x 1) /2)

 

There are 4 of these, so the total area of the triangles is 10. 

 

Can you tell me the area now?

 Jun 28, 2022

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