A semicircle and a triangle of which one side is tangent to the semicircle. What is the angle α?
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Solution
The angle α is 30°.
![](https://mirangu.com/wp-content/uploads/2024/02/BedouinTentSolution.jpg)
α=(180°-90°)/3=30°
Video
Please find here the video solution: Video: The Bedouin tent.