The image shows a mathematical problem involving circles and geometric constructions. The problem statement appears to be in another language, but based on the diagram and some key recognizable words, it seems to be about finding the radius of a smaller circle inside a larger one that involves tangency and possibly some ratios or areas.

To proceed, I will analyze the diagram and interpret the mathematical relationships involved.

Steps to Solve:

1. Identify the Circles:

   • There seems to be a larger circle with smaller circles inscribed within it.
   • The smaller circles might be tangent to each other and to the large circle.

2. Establish Relationships:

   • We need to determine how the radii of the smaller circles relate to the radius of the larger circle.
   • Use the properties of tangents and possibly apply the Pythagorean theorem or the sine and cosine rules.

3. Formulate the Problem:

   • If each smaller circle has a radius $r$ and the larger circle has a radius $R$, we can set up equations based on the geometry of the diagram.

4. Solve for $r$:

   • Solve the system of equations or use geometric reasoning to express $r$ in terms of $R$.

Would you like a detailed walkthrough of this problem or do you have any specific questions about the setup?

Relative Questions:

1. What is the relationship between the radii of the smaller and larger circles when they are tangent?
2. How does the number of smaller circles affect the radius calculation?
3. Could trigonometric identities simplify the solution?
4. What role does the Pythagorean theorem play in this type of geometric configuration?
5. How does the placement of tangency points influence the radii relationships?

Tip: Understanding the properties of circle tangency and how smaller circles fit within a larger circle can be crucial when dealing with such geometric problems.