Top 10.685

Orange Area = 121.630162362

Animation. Missing R₃ = 3

Coordinates of A, B, C and D

GJ / IJ = 1.61803398875

Radius R = 3

X = LM = 10.5409255339

Red Area = 1 / 2 Square Units

Yellow Area = 88.5896103705

Pink Area = 1.08471306274

h = 1 for min Box Surface Area