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It’s all right

A regular pentagon with a diagonal and a right triangle. What’s the angle α?

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Solution

The angle α is 36°.

Solution by Hung Le Huu.

Poem

It’s all right
With the world
I have a dream
No more war
No more harm
No more hate
Stop this chaos
Around us
We can feel sad
We say it’s a pity
Everything could be allright
Let’s hope everything is as it should be
In 2023
From the sun to the stars
All’s well that ends well

Bella

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