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

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## Solution

The angle α is 45°.

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

## Poem

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