<PRE><B>Question 1210518</B>
.
The diagram below consists of a small square, four equilateral triangles, 
and a large square.  Find the area of the large square.

https://web2.0calc.com/api/ssl-img-proxy?src=%2Fimg%2Fupload%2Faf6a1af0cd0ede49901885c6%2Fsquare-triangles.png
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The side length of the large square is 2.5 units, which is obvious from the consideration in horizontal direction.


Hence, the area of the large square is  {{{2.5^2}}} = 6.25 square units.


As simple as an orange :)



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