Let be a triangle, let is the incenter and the first and the secon Fermat points. Construct circle with center and radii , is radii of incircle. This circle meet three sie at . Prove that:
1- is an equilateral triangle.
2- is an equilateral triangle.
3- homothetic the first Isodynamic Equileteral triangle (respectively with )
4- homothetic the secon Isodynamic Equileteral triangle (respectively with )
5- perspective with the first Napoleon Equileteral triangle (respectively with )
6- perspective with the secon Napoleon Equilateral triangle (respectively with )
2- is an equilateral triangle.
3- homothetic the first Isodynamic Equileteral triangle (respectively with )
4- homothetic the secon Isodynamic Equileteral triangle (respectively with )
5- perspective with the first Napoleon Equileteral triangle (respectively with )
6- perspective with the secon Napoleon Equilateral triangle (respectively with )
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