Two congruent equilateral triangles share a vertex. What is the angle α?
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Solution
The angle α is 105°.

Poem
Two jabs
Look at me today
Listen what I say.
I just want to stay
And not to run away
We are two different friends
But we look like twins
And share everything
Burning
And
Breathing
Feeling
And
Melting
Living
And
Loving
Here together we stay
Now and everyday
