MathDB
perimeter wanted, bisectors _|_ medians (2021 Novosibirsk Oral Geo Oly 9.3)

Source:

May 25, 2021
geometryperimeter

Problem Statement

In triangle ABCABC, side ABAB is 11. It is known that one of the angle bisectors of triangle ABCABC is perpendicular to one of its medians, and some other angle bisector is perpendicular to the other median. What can be the perimeter of triangle ABCABC?