The Transamerica Pyramid

Two squares inscribed in a triangle. What fraction of its area is coloured?

Scroll down for a solution to this problem.


The coloured fraction is 52/81.

Solution by BENE.


Transamerica pyramid
A big futurist skyscrapper
Is the seat of business headquaters
For the tourists this building is popular
It was the symbol of San Francisco highest tower
It’s base is surrounded with redwood trees
With a four sided pyramid
And 2 wings exposed to the weather


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