Difference between revisions of "2020 CIME II Problems/Problem 1"
(Created page with "this page will open in around one hour") |
|||
Line 1: | Line 1: | ||
− | + | ==Problem== | |
+ | Let <math>ABC</math> be a triangle. The bisector of <math>\angle ABC</math> intersects <math>\overline{AC}</math> at <math>E</math>, and the bisector of <math>\angle ACB</math> intersects <math>\overline{AB}</math> at <math>F</math>. If <math>BF=1</math>, <math>CE=2</math>, and <math>BC=3</math>, then the perimeter of <math>\triangle ABC</math> can be expressed in the form <math>\tfrac mn</math>, where <math>m</math> and <math>n</math> are relatively prime positive integers. Find <math>m+n</math>. | ||
+ | |||
+ | ==Solution== | ||
+ | |||
+ | ==See also== | ||
+ | {{CIME box|year=2020|n=II|before=First Problem|num-a=2}} | ||
+ | |||
+ | [[Category:Introductory Geometry Problems]] | ||
+ | {{MAC Notice}} |
Revision as of 22:26, 5 September 2020
Problem
Let be a triangle. The bisector of intersects at , and the bisector of intersects at . If , , and , then the perimeter of can be expressed in the form , where and are relatively prime positive integers. Find .
Solution
See also
2020 CIME II (Problems • Answer Key • Resources) | ||
Preceded by First Problem |
Followed by Problem 2 | |
1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 | ||
All CIME Problems and Solutions |
The problems on this page are copyrighted by the MAC's Christmas Mathematics Competitions.