We are equal

A quadrilateral with its diagonals. What’s the angle α?

Scroll down for a solution to this problem.


The angle α is 45°.

Solution by Ferdi Yılmaztürk.

Note that the lower left equal angle is not actually needed to find the solution.


We are equal
Some are more than others
What equality are we talking about?
Geometric angles or
mathematics data
Equality as a value
Equal rights
In front of law
Respect of freedom
Respect of citizens
May be less racism
A human dream
As a world citizen
We have responsability


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