Top 10.930

X = EF = 0.414213562373

X = EF = 8.48528137424

R = 10.1192885125

Red Triangle Area = 15

X = BD = 15

Yellow Area = 2 A = ( 2 s ^ 2 )

DE = 1

Angle EBF = 45

Red Area = BE = 1.5 = 3 / 2

Red Area = 3.46410161514