isosceles iff 2 equal angle bisectors: Germany 1998 R3 9.3. 1968 Ρ4 12.6
Source:
October 8, 2024
geometryangle bisectorisosceles
Problem Statement
Prove the following two statements:
(a) If a triangle is isosceles, then two of its bisectors are of equal length.
(b) If two angle bisectors in a triangle are of equal length, then it is isosceles.