Shooting 2 Circles with 1 Trigone

Geometry Level 4

Two lines from point A A pass through 2 overlapping circles at their intersection points D , E D,E such that B E D G BE || DG and C D E F CD || EF , as shown above, and the resulted triangle A F G AFG has the numbers indicating partitioned areas: (yellow) triangle A B C = 16 ABC = 16 and (green) quadrilateral D E G F = 45 DEGF = 45 .

What is the area of the (blue) quadrilateral B C E D BCED ?

Note : Figure not drawn to scale.


The answer is 20.

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