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Larger, Smaller or Similar?

Which of the yellow areas is larger?


Larger, Smaller or Similar?



Here is comparison of areas! 

Both Sharing Equal Area!


Which areas are into comparison?

Actually, areas of both are equal. The diagonal divide the rectangle into 2 halves. So triangle A and A' or B and B' have equal areas.

When diagonal divides the area of main rectangle into 2 halves, area of triangles A (or A') and area of triangle B (or B') are further subtracted from each half to get the areas of the shaded region.


Both Sharing Equal Area!

Since equal areas are subtracted from triangles formed by diagonal to get the shaded area, the area of shaded parts are equal. 


 That is from each half area subtracted = A + B = A' + B'.
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