MathCastle
GeometryChallengeCircles & Lines

Circles & Lines · Challenge problem

In △ABC\triangle ABC, point DD on BCBC has BD:DC=2:3BD : DC = 2 : 3, and point EE on ADAD has AE:ED=4:1AE : ED = 4 : 1. Line BEBE extended hits ACAC at FF. What is AFFC\dfrac{AF}{FC}?