I see you've uploaded an image containing various geometry problems. Would you like help with solving a specific problem from the image, or would you like explanations for multiple problems?

Please let me know which problem you'd like to focus on first, or if you'd prefer a detailed solution for all the problems.

Here are the topics you might want help with:

1. Bisectors and Angle Calculations (Problem 1)
2. Median and Perimeter Calculation (Problem 2)
3. Cevians and Segment Sums (Problem 3)
4. Triangle Median Problem (Problem 4)
5. Determining Unknown Angles or Sides (Problems 5-8)

Let me know your preference!