Trigonometry
in a equilateral triangleABC we choose a point lying P in the line AB such that A is in between P and B.IF r1 and R are the inradius and exradius of the Triangle PAC ans Triangle PBC and I is the side of the triangle show that r1+r2=I
in a equilateral triangleABC we choose a point lying P in the line AB such that A is in between P and B.IF r1 and R are the inradius and exradius of the Triangle PAC ans Triangle PBC and I is the side of the triangle show that r1+r2=I
