MathDB

18

Part of 2017 Harvard-MIT Mathematics Tournament

Problems(1)

2017 Guts #18: Largest possible inscribed circle

Source:

2/21/2017
Let ABCDABCD be a quadrilateral with side lengths AB=2AB = 2, BC=3BC = 3, CD=5CD = 5, and DA=4DA = 4. What is the maximum possible radius of a circle inscribed in quadrilateral ABCDABCD?
geometry