MathCastle
GeometryHardCircles & Lines

Circles & Lines · Hard problem

Points DD and EE lie on sides ABAB and ACAC of △ABC\triangle ABC with ADAB=23\dfrac{AD}{AB} = \dfrac{2}{3} and AEAC=34\dfrac{AE}{AC} = \dfrac{3}{4}. If [ABC]=24[ABC] = 24, what is [ADE][ADE]?