Y by ASweatyAsianBoie
In an acute-angled triangle
, the angle at the vertex
is
degrees. Prove that the perimeter of this triangle is less than twice the sum of its altitudes drawn from the vertices
and
.





This post has been edited 1 time. Last edited by parmenides51, Feb 13, 2021, 5:50 PM
Reason: title typo
Reason: title typo