ב1 עמוד 305 תרגיל 21, כולל רמזים
- Author:
- Esther Gruenhut
ABC is an equilateral triangle.
Use scroll bar to unfold problem.
What is added in each stage?
Do you have any suspicion regarding triangle GDC
or quadrilateral BDGF?
Try proving it.
You can find a few hints below
