Top 10.957

X = DE = 1.41421356237

Orange Area / Total Area = 80 / 169

[ Triangle ABC ] = 17.1865547358

X = AB = 11.313708499

Shaded Area = 18

ABD = 30 ( without Trigonometry )

[ ABC ] = Total Area = 50

[ CDOK ] = Shaded Area = 2

X = EF = 7.2

AHD = CHD = 45