GeometryDifficulty 1.0JuniorFind the answerUnited Kingdom
Alex draws a scalene triangle. One of the angles is 80°. Which of the following could be the difference between the other two angles in Alex's triangle?
(A) 0° (B) 60° (C) 80° (D) 100° (E) 120°
Want a route through all this instead of an archive? The track
puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.