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The diagram below consists of a small square, four equilateral triangles, and a large square.  Find the area of the large square.

 

 Apr 17, 2024
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Abig square  =  6.25 units2  

 

The base of each triangle is 1 unit. 

There are 21/2 bases going across.  

 

So the side of the square is 21/2 units.  

 

Two and a half squared is six and a quarter.  

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 Apr 17, 2024
edited by Bosco  Apr 17, 2024

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