2016 JBMO Problems
Problem 1
A trapezoid 
(
,
) is circumscribed.The incircle of the triangle 
touches the lines 
and 
at the points 
and 
,respectively.Prove that the incenter of the trapezoid lies on the line 
.
Problem 2
Problem 3
Problem 4
See also
| 2016 JBMO (Problems • Resources) | ||
| Preceded by 2015 JBMO Problems |
Followed by 2017 JBMO Problems | |
| 1 • 2 • 3 • 4 | ||
| All JBMO Problems and Solutions | ||
