A circle is inscribed in both a semicircle and a right triangle. The three tangency points are shown. What is the angle α?

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## Solution

The angle α is 30°.

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- Post author By Rik
- Post date February 25, 2022
- No Comments on Round and pointy

A circle is inscribed in both a semicircle and a right triangle. The three tangency points are shown. What is the angle α?

Scroll down for a solution to this problem.

The angle α is 30°.