05/01/08 MATHEMATICS
DEPARTMENT, FERRIS STATE UNIVERSITY
MATH
COLLOQUIUM, THURSDAY, MAY 1, 11:00 AM, STARR 138
SPEAKER: Dr. Vaclav Konecny,
Mathematics Department,
TITLE: The solution to the problem #3258* published in Crux Mathematicorum,
Vol. 33: 2007,
p. 298.
Dr.
Konecny will present the solution to the problem proposed by Alper Cay, Uzman
Private School, Kayseri, Turkey (Crux
Mathematicorum, Vol. 33, No 5, September 2007, p. 298.)
Let
ABC be a triangle with angle B = 80 degrees.
Let BD be the angle bisector of angle B with D on AC.
If
AD = DB + BC, determine angle A, using a purely geometric argument.
REFRESHMENTS: 11:00 am, STARR 138
http://www.ferris.edu/htmls/colleges/artsands/Math/MATH_COLLOQUIUM/ColloquiumWeb/index.html