It seems like the image uploaded is not supported. Could you please try uploading a different image, preferably in a common format like JPEG or PNG? Alternatively, you can describe the mathematical problem directly, and I can help solve it for you.

Do you have any specific questions or need details about the problem? Here are some related questions to consider:

1. What information is provided in the image?
2. Are there any specific points or lengths given in the problem?
3. Is the problem related to the geometry of the circle?
4. Are there any specific formulas you are required to use?
5. Do you need to use the coordinate geometry to find the radius?
6. Are there any angles given that are relevant to solving the problem?
7. Is there a particular method you prefer for finding the radius?
8. Are there any constraints or additional conditions mentioned in the problem?

Tip: Always ensure the uploaded image is clear and in a commonly supported format like JPEG or PNG for better analysis and assistance.