The mahogany triangle

A square contains an isosceles triangle with an extended altitude. What fraction is mahogany?

Scroll down for a solution to this problem.


The mahogany fraction is 15/32.

Solution by Javier Zambrana Aguilar.


The mahogany triangle
Why black ?
Why white ?
May be more brown
Like the mahogany tree
Brown like chocolate
With white milk
Brown like brownies
With honey and cinnamon
Let’s dance around the mahogany tree
He protects us
Celebrating our colours
Our values
Our freedom
Our peace .


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