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Textbook Expert
Textbook ExpertVerified Tutor
3 Jan 2022

Given information

Given a square ABCD in which sides AB and AD have been divided into segments of lengths 1,2,3,...n. Thus the side of square has length n(n+1)/2 so the area is 

the area is also the sum of the areas of the n "gnomons"  shown in the figure. 

 

Step-by-step explanation

Step 1.

is square with side length 1.

so area of    

now, area of (area of square with side length 1+2=3) - area of  

                         

 area of (area of square with side length 1+2+3=6)-(area of   + area of )

                   =    

area of (area of square with side length 1+2+3+4=10)-(area of + area of + area of )

                 

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