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Four equilateral triangles are constructed on the sides of a square with side length 1, as shown below. The four outer vertices are then joined to form a large square. Find the area of the large square

 

 Jul 20, 2020
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Height of a triangle is   √3 / 2

 

Diagonal of a large square is  1 + √3

 

Area = ( 1 + √3 )2 / 2

 Jul 20, 2020

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